The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground.Total Hours is the average number of sunny hours the city normally has this month.Clear Days is the average number of days this month when cloud . Circle at 4530 hours receives 5 days less of sunshine than its Text Products The first measure indicates the general sunniness of a location compared with other places, while the latter allows for comparison of sunshine in various seasons in the same location. How did Ptolemy prove in the following excerpt that the Earth is not cylindrical? The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. The best answers are voted up and rise to the top, Not the answer you're looking for? Please select one of the following: Additional Sunrise/Sunset information is available at the, Experimental Graphical Hazardous Weather Outlook, National Oceanic and Atmospheric Administration. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Averaged over an entire year, Alaska gets 10-17 minutes more daylight per day than the rest of the country. Ranking second-to-last in the number of sunshine hours, Torshavn lies between the Scottish coast and Iceland and receives roughly 37 days of sunshine every year; the average temperatures on this island barely reach above 5C (41F). can make a dramatic difference and directly impactthe effectiveness of going solar. Todays visualization comes from Sleepopolis and summarizes the top cities on each continent that receive the most and least annual sunshine hours. For the 198sin, the coefficient 198 is the difference between the longest and shortest day in minutes. Select the city closest to you to determine your average peak sunlight hours, or select another city in the. Which Companies Are Responsible For the Most Carbon Emissions? \end{cases}\end{align} This forecasted growth underscores the strength of Swedens economy and global identity, with a very high GDP-per-capita and consistently ranking highly in economic freedom and prosperity. The populations of both Madrid and Barcelona are each forecasted to grow by more than 1.6 million people between 2021 and 2100. However, there are physical and For information on the amount of sunshine at more places in a state, click on the state's name. During nautical twilight the center of the sun is between 6 and 12 degrees below the horizon. For example, 12 hours per day at the equator. Why not use the exact solution which is actually not complicated? This is the average energy production in kilowatt hours per square meter (kWh/m2) for a panel in an array managed by the National Renewable Energy Laboratory. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. For locations that require it, you may enter the time zone in decimal hours. There's information by state on the annual averages for percent, hours and days of sun. and time zone specified. rev2023.4.21.43403. Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? Because of elliptic nature of the Knowing the average peak sun hours where you live is the one of the best ways to determine if you should go the solar route. 1883. Over $68,000 in prizes has already been given out to active posters on our forum. Home | Privacy & Cookies | Contact | About. Here is the link. Does a password policy with a restriction of repeated characters increase security? This service makes no attempt to track such historical changes. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Average amount of annual daylight at any place on earth, New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition. A minor scale definition: am I missing something? Peak sun hours differ from hours of daylight; the peak sun hour actually describes theintensityof sunlight in a specific area, defined as an hour of sunlight that reaches an average of 1,000 watts of power per square meter (around 10.5 feet). Gobierno de Espaa", "Sevilla Aeropuerto: Sevilla Aeropuerto - Agencia Estatal de Meteorologa - AEMET. The Equator has the total daytime of 4422 hours per By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. refraction allows the Sun to be still visible even when it physically Please Contact Us. Gobierno de Espaa", "Sunshine & Daylight Hours in Gothenburg, Sweden", Sveriges Meteorologiska och Hydrologiska Institut, "Climate Normals Zurich/Kolten 19812010", "Valeurs mensuelles Dure d'ensoleillement absolu / heures / Normales 1991-2020", "Resmi statistikler (l ve lelerimize Ait statistiki Veriler)", "Mean Royal Botanic Gardens Edinburgh Climatic Averages 19812010", "Mean Rochdale Climate Station Climatic Averages 19912020", "Canadian Climate Normals 19812010 Station Data", "Klimatafel von La Ceiba, Bez. Fire Weather Climate Summaries It is a general indicator of cloudiness of a location, and thus differs from insolation, which measures the total energy delivered by sunlight over a given period. rev2023.4.21.43403. How to determine day/night based on latitude, longitude and a date/time? Use our peak sun hours map to find out your average sun peak hours to determine if you can make the most of the solar power available to you. @Pygmalion I need something that I can further program using simple math functions available in PHP. Where are Clean Energy Technologies Manufactured? Naval Observatory 2022 Burlington, IA Cedar Rapids, IA Davenport, IA Dubuque, IA Iowa City, IA The average number of daylight hours is 12, which is the translation upward, meaning that the hours of sunlight range from 14.4 to 9.6, depending on the time of year. The tables below pull together numbers on the amount of sunshine that each US state usually has in a year. What should I follow, if two altimeters show different altitudes? Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Is the equinox absolutely true east everywhere? The cities are grouped for each region of the country: Marmara Region, Aegean Turkey, Mediterranean Turkey, Black Sea Turkey, Central Anatolia, Eastern Anatolia and Southeastern Anatolia. Length of Day and Night at the Equinoxes and Average daily sun hours in the United Kingdom 2001-2022; . Before you decide to go solar, youll want to assess how many peak sun hours you typically get and how much sun your solar panels need to work optimally. OF IRAN SHAHREKORD METEOROLOGICAL ORGANIZATION (IN PERSIAN), National Oceanic and Atmospheric Administration, "Akmola (Astana) Climate Normals 19611990", "Climatological Information for Dikson, Russia", " Penman Monteith (Reference Crop Evapotranspiration by Penman Monteith)", "Vietnam Building Code Natural Physical & Climatic Data for Construction", "Klimadaten von sterreich 19712000 Wien-Innere-Stadt", " , 5. Why did US v. Assange skip the court of appeal? NWS calendar date, the total time that the entire Sun is below the horizon. Sunrise, sunset, daylight in a graph See a graph of sunrise, sunset and daylight times for a particular location. Continue with Recommended Cookies. Average peak sun hours vary greatly across the country; how much sunlight intensity you get in your stateor even the given sun hours per day by zip codecan make a dramatic difference and directly impactthe effectiveness of going solar. Submit Report You can find declination formula needed in John's reference here. Across the world, the average business day varies. All of the data are averages based on several decades of weather measurements. Typically (for low and mid-latitude locations), this will be. U.S. National Parks. All Rights Reserved. 5:45 19:01 (7:01 PM) where $T=24\ \textrm{hours}$, $\varphi$ is latitude, $ = 23.4$ is Earth's axial tilt, and $$ is the angle from Sun to Earth, calibrated to zero when (Sun)-(Earth's South Pole)-(Earth's North Pole) are on the same plane. Our tools will let you know, accurately, how long the daytime of a given day is going to be on any place of the world and how the daylength evolves during the year. Counting and finding real solutions of an equation. Add one hour for daylight time, when in use. Home | Privacy & Cookies | Contact | About. As was the case with murders, drug overdoses increased sharply in 2020. This uses 90.833 as the zenith angle of the sun at sunrise/sunset (i.e., it takes into account a standard value of the refraction at sunrise/sunset for the entire world, which is of course only approximate), L is the latitude, is the solar declination. Places on the Arctic Circle have the longest total annual daytime, 4,647 hours, while the North Pole receives 4,575. T-T_{0} & \frac{\pi}{2}\le\alpha\le3\frac{\pi}{2}\\ | Jan | Feb | Mar | Apr l | May | Jun | Jul | Aug | Sept | Oct | Nov | Dec British life and culture - England, Scotland and Wales Average hours of daylight in Britain through out the year Is there a formula to calculate the deviated angle of a ray passing through a prism? Daylight calculator (number of daylight hours, with sunrise and sunset, and daylight saving time) in Ghent, Belgium (or anywhere else) Yes, thanks for that. Hazards Page The other data are averages taken from years of weather watching. provide enough information. This was an increase of more than 3 hours per day when compared to the 10-year mean for this month. Walmarts Domination of the U.S. These figures are based on the yearly average; consequently, systems based on these figures will provide more power in summer and less in winter. Federal government websites often end in .gov or .mil. The following is a list of cities by sunshine duration. Climate Normals/Averages Climatological Norms of Petropavlovsk-Kamchatsky. Dakhla Oasis, or inner oasis, receives practically zero precipitation each year. appear to be above the horizon for exactly half the time. It is a general indicator of cloudiness of a location, and thus differs from insolation, which measures the total energy . Text Products, Forecasts counties shifting from one zone to another. During astronomical twilight the center of the sun is between 12 and 18 degrees . The .gov means its official. is there such a thing as "right to be heard"? Questions? It is free and quick. See, Of course this formula is valid between Arctic and Antarctic circle. You get hours by multiplying the positive solution $\omega_0$ by $2 \cdot \frac{24\text{h}}{2\pi}$. The % Sun numbers measure the percentage of time between sunrise and sunset that sunshine reaches the ground. Learn how and when to remove this template message, List of cities in Europe by sunshine duration, "tude mthodologique pour l'utilisation des donnes climatologiques de l'Afrique tropicale", "Cotonou, Benin Climate Normals 19611990", "Sunshine & Daylight Hours in Lome, Togo", "Sunshine & Daylight Hours in Accra, Ghana", "Sunshine & Daylight Hours in Tamale, Ghana", "Sunshine & Daylight Hours in Kumasi, Ghana", "Climatological Information for Lagos, Nigeria", "Sunshine guide to Asmara and the Eritrea, Highlands, Eritrea", "Klimatafel von Ouagadougou / Burkina Faso (Obervolta)", "Klimatafel von Ouahigouya / Burkina Faso (Obervolta)", "Mean monthly sunshine duration (in/month, 19611970) in Mali (Direction Nationale de la Meteorologie, Bamako, Mali)", "BKOs (Bamako) Climate Normals 19611990", "Climatological Information for Tunis, Tunisia", "Climatological Information for Rabat, Morocco", "Marrakech (Marrakesh) Climate Normals 19611990", "Marsa Alam, Egypt: Climate, Global Warming, and Daylight Charts and Data", "Climatological Information for Mombase, Kenya", "WMO Climate Normals for DAGORETTI 19611990", "Surface Waters Potential of the Hantebet Basin, Tigray, Northern Ethiopia", "Average Conditions Kinshasa, Congo Democratic Republic", "Climate Statistics for Pretoria, South Africa", "Sunshine guide to the Gaborone area, Botswana", "LUSAKA INTERNATIONAL AIRPORT Climate Normals 19611990", "Livingstone MET Climate Normals 19611990", "Harare Kutsaga Climate Normals 19611990", "Bulawayo Airport Climate Normals 19611990", "Climatological Information for Mzuzu, Malawi", "Tamatave/Toamasina Climate Normals 19611990", "DiegoSuarez/Antsir (Antsiranana) Climate Normals 19611990", "Majunga/Mahajanga Climate Normals 19611990", "Sunshine & Daylight Hours in Birao, Central African Republic", "Klimatafel von Bujumbura (Usambara) / Burundi", "Klimatafel von Bata / Insel Mbini / quatorial-Guinea", "Monthly Meteorological Normals for Hong Kong", "Macao Climate: 30-year Statistics of some meteorological elements", "Average Sunshine a Year in India, 19611990", "Mumbai Climate and Weather Averages, India", "Weather Averages for Jakarta, Java, Indonesia Climate.htm", I.R. Countries like Sweden, France, and Ireland are expected to see large swaths of population growth. Spell out place name prefixes, as in "East Orange", "Fort Lauderdale", "Mount Vernon", etc. For example, Greece is still suffering from the fallout of its sovereign debt crisis in the 2010s, which significantly harmed economic prospects for everyday people. Short story about swapping bodies as a job; the person who hires the main character misuses his body. The consent submitted will only be used for data processing originating from this website. Day and Night World Map - See which parts of the Earth are currently illuminated by the Sun. Why in the Sierpiski Triangle is this set being used as the example for the OSC and not a more "natural"? For the town I live in the equation is 730-198sin ((2Pit/365)+(Pi/2) How do you estimate colour temperature based on the position of the sun in the sky? In addition to our, , We do also have additional insolation data available for other parts of the world to determine how many peak sun hours you have to go solar. I have done some number crunching and found an equation for this exact question. For that reason, average daytime where T = 24 hours, is latitude, = 23.4 is Earth's axial tilt, and is the angle from Sun to Earth, calibrated to zero when (Sun)- (Earth's South Pole)- (Earth's North Pole) are on the same plane. It only takes a minute to sign up. than darkness during the equinoxes (and all year at the equator), see Total Hours is the average number of sunny hours a place normally has in a year. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? US Dept of Commerce Times are listed in Central Standard. Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? Vudutini klimatini rodikli reikms Lietuvoje 1981-2010 m. / Climate average for Lithuania 1981-2010 (2013)", "Klimaattabel Schiphol, langjarige gemiddelden, tijdvak 19812010", Royal Netherlands Meteorological Institute, "Minifacts about Norway 2013: Geography, climate and environment", "Climatological Information for Lisbon, Portugal", "Climatological Information for Bucharest, Romania", "Climatological Information for Soczi, Russia", "Monthly and annual means, maximum and minimum values of meteorological elements for the period 19812010-Belgrade", "Valores climatolgicos normales. In all these respective areas, Calgary ranks number one among the Canadian cities. Social Media Colombia alone is home to three of the top 10 cities with the lowest hours of annual sunshine. elapsed times: the time beginning at local midnight and ending at sunrise, and How do I calculate the closest point to the sun on Earth's surface? Solar panels need direct sunlight to produce the maximum solar output. Seasons (Equinoxes/Solstices), Past Weather As it says in the answer the exact relationship of daylight hours with latitude depends on many astronomical and physical effects, such as the atmospheric composition to allow refraction. Forecast Discussion The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Rise, Set, and Twilight Definitions in our Local Forecasts Clear Days is the average number of days annually when cloud covers at most 30 percent of the sky during daylight hours. Timeline: Cannabis Legislation in the U.S. Visualizing the Relationship Between Cancer and Lifespan, Visualizing How COVID-19 Antiviral Pills and Vaccines Work at the Cellular Level, Global EV Production: BYD Surpasses Tesla. Climate of the World. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Check out today's and tomorrow's sunrise and sunset times in New York, New York, United States, as well as the whole calendar for May 2023.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'sunrise_sunset_org-box-3','ezslot_3',116,'0','0'])};__ez_fad_position('div-gpt-ad-sunrise_sunset_org-box-3-0'); May 1, 2023. I would add that $\tan\phi \cdot \tan\delta<-1$ means continual night. Quad Cities, IA/IL9040 N Harrison StreetDavenport Municipal AirportDavenport, IA 52806-7326563-386-3976Comments? Even though many working-class people have already left the country, Athens is currently expected to see a further population reduction of 1.3 million people or 38% of its population by the end of the century. March 2023 - Redmond You can see the sunrise and sunset calendar of any location of the world. I was thinking that can be calculated as a difference of sunrise and sunset, but I see that there are some other ways, like in this topic. Month Day Week Day Sun Rise Time Sun Set Time Daylight Hours April 22 Sat. Total Hours is the average number of sunny hours the city normally has in a year. Before you go solar, youll want to check that you have an area for your solar panel with minimal or no shading (recommended), or use a string inverter with MPPT (maximum power point tracking) to minimize output loses associated with partial shading. Why is the equinoxes only 2 days and not more? If the equation from the first link has no solution ($\tan\phi \cdot \tan\delta>1$ ), this means day is either $24\text{h}$ or $0\text{h}$ long. This number may vary just slightly. Depending on your location, youll see a major difference in the average peak sunlight hours. This data services provides a method for obtaining resulting in large differences from the durations of daylight and darkness that are Ranked: The Most and Least Livable Cities in 2022, Visualizing the Material Impact of Global Urbanization. The poles have daylight for half the year and darkness for the other half (crudely). @peter Smith yes. 12+(Max hrs of sunlight -min hrs of sunlight in the year)/2 * sin[(2/365)*(n-t) ] where t is that day that has 12 hours of sunlight. It's so far north that neither the Global Solar Atlas nor PVWatts has solar data for most of the state. The United States averages between 3 to 5 peak sun hours in most areas. Learn more about Stack Overflow the company, and our products. Copyright 2023 Current Results Publishing Ltd. Total Number of Cloudy and Foggy Days at US Cities, Average Annual Temperatures for US Cities, Average Yearly Precipitation by American City. Astronomical Information Center. An official website of the United States government. Do you want the answer "24" or do you want the number of hours the sun stays up total, something like "48" to mean "up for 48 hours in a row"? If this is the wrong group please direct me to the correct one. of sunlight in a specific area, defined as an hour of sunlight that reaches an average of 1,000 watts of power per square meter (around 10.5 feet). It only takes a minute to sign up. Copyright 2023 Current Results Publishing Ltd. Average Precipitation a Year for Each State, Top 10 American States With the Best Weather. Our solar professionals can help you determine the best placement for your panels. Visualized: The Largest Trading Partners of the U.S. Visualizing 90 Years of Stock and Bond Portfolio Performance, Visualizing the Link Between Unemployment and Recessions, Timeline: The Shocking Collapse of Silicon Valley Bank, Decoding Googles AI Ambitions (and Anxiety), Ranked: Americas 20 Biggest Tech Layoffs Since 2020, Infographic: Generative AI Explained by AI, Ranked: The U.S. Banks With the Most Uninsured Deposits, De-Dollarization: Countries Seeking Alternatives to the U.S. Dollar. While we all see the same sky, we see it a bit differently depending on where we stand. Connect and share knowledge within a single location that is structured and easy to search. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Table of Sunrise/Sunset, Moonrise/Moonset, or Twilight Times for an Entire Year, Rise/Set/Transit Times for Major Solar System Objects and Bright Stars, Duration of Daylight and Darkness Table for One Year, Altitude and Azimuth of the Sun or Moon During One Day, Topocentric Configuration of Major Solar System Bodies, Geocentric Positions of Major Solar System Objects and Bright Stars, Topocentric Positions of Major Solar System Objects and Bright Stars, Earth's Seasons - Equinoxes, Solstices, Perihelion, and Aphelion, Celestial Navigation Data for Assumed Position and Time, Coordinates in DMS. the time beginning at sunset and ending at local midnight. \begin{align}T_{0} &=\frac{T}{\pi}\arccos\left(\frac{\tan\varphi\sin\theta}{\sqrt{\tan^{2}\alpha+\cos^{2}\theta}}\right) \\ \textrm{daylength} &=\begin{cases} For example: Washington, DC, Example: 5 hours West of Greenwich (UTC-5) is Eastern Standard Time, USGS Geographic Names Information System (GNIS). Presumably the number of daylight hours on other places on the globe - London for example - will somewhere between the polar and equitorial amounts? European cities have a storied history as global destinations, both for tourism and for immigration. Weather-Ready Nation Climate/Almanac Data Parabolic, suborbital and ballistic trajectories all follow elliptic paths. Visualizing the Biomass of All the Worlds Mammals. The equator actually gets fewer hours of daylight than most other latitudes. Still, know what to wear in Alaska and dress in layers. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The best answers are voted up and rise to the top, Not the answer you're looking for? 1. Road Reports The only exception is "St.", which is entered as an abbreviation with a period, as in "St. Louis". The following is a list of cities by sunshine duration.Sunshine duration is a climatological indicator, measuring duration of sunshine in given period (usually, a day or a year) for a given location on Earth, typically expressed as an averaged value over several years. That marked the highest percentage since at least 1968, the earliest year for which the CDC has online records. Graphs of sunrise/sunset and time of light for any place in the world. World Data Center for Meteorology. What is the Russian word for the color "teal"? The Duration of Daylight table provides, for each calendar date, the total time that any portion of the Sun is above the horizon. Find out for yourself by reviewing the table below, comparing Alaska's weather to your hometown, or using our daylight calculator. @ElzoValugi Above the Arctic circle, the sun stays up 24 hours a day for several days. Space Weather How to calculate the amount of night time during a flight? This is an official Climate Records Since so few weather stations measure sunshine, meaningful state-wide averages aren't available. Radar I have the lat/lng and the date as starting points and I need to calculate some monthly averages, while keeping the individual values also on daily basis. However the number of hours in both hemispheres will at least be between their respective poles and the equator. Connect and share knowledge within a single location that is structured and easy to search. NASA has observed that the sun goes through solar cycles that last roughly 11 yearsbrightening and dimming at relatively regular intervals and impacting how intensely we receive sunlight at any given time. The number of peak sun hours you get per day increases the closer you are to the equator and typically during the summer months. Peak sun hours differ from hours of daylight; the peak sun hour actually describes the. Our USA Golf page has over 15,000 golf courses. you may enter 5.5hours east of Greenwich for https://astronomy.stackexchange.com/place-on-earth, http://jan.moesen.nu/daylight-calculator/, Daylight calculator (number of daylight hours, with sunrise and sunset, and daylight saving time) in Ghent, Belgium (or anywhere else), Daylight hours - daylight saving time - Sunrise/sunset time, Brilliant plan? Places on the Arctic Circle have the longest total annual . British Life and Culture by Mandy Barrow What's happening this month? standard year consisting of 8760 hours, apparent maximal daytime Sunshine duration is usually expressed in hours per year, or in (average) hours per day. Contact Information This is the average percent of daylight hours in which the location receives sunlight. Top 10 Cities with the Most Annual Sunshine The sunniest city on Earth is Yuma, Arizona in the U.S. As the driest city in the U.S., Yuma receives less than 200 millimeters (8 inches) of rainfall and endures roughly 100 days of 40C (104F) weather every year. There are many javascript librarires that calculate , and then use it to plot the day-night terminator on google, bing, openstreet, etc. River Graphs All USA cities, towns, and POIs (points of interest) are available in list format on a single, large (2 MB) page. 5:46 19:00 (7:00 PM) 13 hrs 14 mins; April 23 Sun. Safety & Preparedness These annual data are based on weather measurements made from 1991 . Equation 3 can be used to plot the day-night terminator. And it comes as no surprise that Alaska is the state with the fewest peak sun hours. Top 10 Cities with the Least Annual Sunshine. Select the city closest to you to determine your average peak sunlight hours, or select another city in the solar sun map to compare how peak sun hours vary from state to state: The legend indicates the average (over the course of the year) amount of solar insolation (full sun hours) for these zones. Email us at sales@unboundsolar.com and give us the location of your solar project. antipodes. Courtesy of the U.S. Hourly Forecast Graphs Briefing " ", " " " ", " - ECA&D, [], [19812010]", "Croatian Meteorological and Hydrological Service", "Climate normals for Copenhagen, Denmark", "Fiche climatologique LYONBRON (69) 1981-2010", "Normales et records pour la priode 19611990 MarseilleMarignane (Marseille Provence)", "Climatological Information for Paris, France", "Klimatafel von Athen Flughafen (Hellinikon) / Griechenland", "Monthly Averages for Budapest, Hungary (based on data from 19702010)", "Iceland Met office: Monthly Averages for Reykjavik", "Climatological Information for Merrion Square, Ireland", Servizio Meteorologico dell'Aeronautica Militare, https://web.archive.org/web/20130512050131/http://clima.meteoam.it/AtlanteClimatico/pdf/(289)Napoli%2520Capodichino.pdf, "Visualizzazione tabella CLINO della stazione / CLINO Averages Listed for the station Roma Ciampino", "A. Galvonait, J. Kilpys, Z. Kitrien, D. Valiukas. Even though the majority of the EUs population already lives in urban areas, Europes urbanization rate is expected to rise to 84% by 2050. On the flip side, some of the regions with the lowest levels of expected growth face challenging economic environments. About eight-in-ten U.S. murders in 2021 - 20,958 out of 26,031, or 81% - involved a firearm. You can also call us at 1-800-472-1142. where ha is the hour angle of sunrise (sunset) from noon and is equal to (http://www.jgiesen.de/astro/suncalc/calculations.htm): ha = arccos (cos(90.833) /(cos(L)*cos()) - tan(L)*tan()). calendar date, the total time that any portion of the Sun is above the horizon. How Much Prime Real Estate Could You Buy for $1 Million? Sunrise/Sunset Tables, Preparedness Atlntida / Honduras", "Datos Histricos: Estacin Albrook Field", "PREVISIONS METEO FRANCE Saint Pierre et Miquelon - Site Officiel de Mto-France - Prvisions gratuites 4 jours sur Saint Pierre et Miquelon", ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REGIII/AG/87345.TXT, "La Plata AERO Climate Normals 19611990", "Instituto Nacional de Meteorologia - INMET", "Tabla 4.6: Medias mensuales de horas de sol diarias extradas del WRDC ruso (en (hrs./dia))", "CARTAS CLIMATOLGICAS - MEDIAS MENSUALES AEROPUERTO ALFONSO BONILLA ARAGON (Cali)", "CARTAS CLIMATOLGICAS - MEDIAS MENSUALES AEROPUERTO OLAYA HERRERA (Medelln)", http://www.bom.gov.au/climate/averages/tables/cw_015135_All.shtml, http://www.bom.gov.au/climate/averages/tables/cw_017043_All.shtml, "Climate & Weather Averages in Broome, Western Australia, Australia", http://www.bom.gov.au/climate/averages/tables/cw_032040_All.shtml, http://www.bom.gov.au/climate/averages/tables/cw_031011_All.shtml, http://www.bom.gov.au/jsp/ncc/cdio/cvg/av?p_stn_num=091104&p_prim_element_index=0&p_comp_element_index=0&redraw=null&p_display_type=statistics_summary&normals_years=1981-2010&tablesizebutt=normal, http://www.bom.gov.au/climate/averages/tables/cw_066062_All.shtml, http://www.bom.gov.au/climate/averages/tables/cw_094008_All.shtml, https://en.wikipedia.org/w/index.php?title=List_of_cities_by_sunshine_duration&oldid=1151622480, This page was last edited on 25 April 2023, at 05:14.

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