Solar Energy & Solar Power Resources

Solar Power in 99171 (Saint John, WA)

Solar Energy in 99171

Sorry, historical solar radition values for 99171 are currently unavailable, please check back later.

Solar Panels in 99171

Solar panels in 99171 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99171

The total length of the day in 99171 (Saint John, WA) today (April 25, 2025) will be 14 hours and 13 minutes. [More]

Solar Energy in 99171 (Saint John, WA)

Solar Energy Data for 99171

See the chart below to see how different types of solar panel installations compare in 99171.

Historical solar power output data for Saint John is not currently available.

Solar Energy Analysis for 99171

Sorry, it is not possible to complete our solar energy analysis for 99171 at this time.

Please check back later.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in 99171

Solar Radiation Data in 99171

See the chart below for monthly solar radiation levels in 99171.

Sorry, data is not currently available.

Solar Radiation Analysis for 99171

Sorry, it is not possible to complete our solar radiation analysis for 99171 at this time.

Historical solar radiation data for 99171 is not currently available.

Please check back later.

Solar Power Comparison: 99171 vs. the U.S.

Solar Power Levels in 99171

Sorry, solar radiation data for 99171 is not currently available.

Solar Power: 99171 vs. the U.S.

Below is a month-by-month comparison of how average 99171 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for Washington is not currently available.

Solar Data & Statistics for 99171

Sunrise / Sunset in 99171

Sunrise/Sunset for April 25, 2025 ^[2]
- Sunrise: 5:41 am
- Sunset: 7:54 pm
- Length of Day: 14:13

Best Months for Solar in 99171

Monthly data not currently available.

Solar Panel Installs in 99171

We do not have data on solar panel installations in ZIP Code 99171 at the current time.

Solar Power Output in 99171

The Power of Solar in 99171

Monthly AC solar system output averages for 99171. Month-by-month solar power, as ranked by AC output, in 99171. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99171

Sorry, it is not possible to complete our solar radiation analysis for 99171 at this time.

Historical solar radiation data for 99171 is not currently available.

Please check back later.

Weather Forecast for 99171 ^[5]

Fri Apr 25

70°F

Few Clouds
Min: 41°F
Max: 73°F

Gentle Breeze: 10 mps E
Precip.: n/a
Humidity: 27%
Cloud cover: 18%

Sat Apr 26

62°F

Overcast Clouds
Min: 44°F
Max: 64°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 51%
Cloud cover: 100%

Sun Apr 27

58°F

Sky Is Clear
Min: 44°F
Max: 65°F

Moderate breeze: 17 mps SW
Precip.: n/a
Humidity: 56%
Cloud cover: 6%

Mon Apr 28

57°F

Few Clouds
Min: 41°F
Max: 62°F

Fresh Breeze: 18 mps SW
Precip.: n/a
Humidity: 57%
Cloud cover: 15%

Tue Apr 29

56°F

Overcast Clouds
Min: 47°F
Max: 62°F

Moderate breeze: 17 mps SW
Precip.: n/a
Humidity: 62%
Cloud cover: 91%

Wed Apr 30

57°F

Overcast Clouds
Min: 43°F
Max: 64°F

Gentle Breeze: 10 mps SSW
Precip.: n/a
Humidity: 59%
Cloud cover: 92%

More about 99171

About 99171

The ZIP code 99171 is associated with the city of Saint John in Whitman County in Washington.

99171 Solar Energy & Power

To learn more about solar energy and solar power in 99171, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.