Solar Energy & Solar Power Resources

Solar Power in 99139 (Ione, WA)

Solar Energy in 99139

Sorry, historical solar radition values for 99139 are currently unavailable, please check back later.

Solar Panels in 99139

Solar panels in 99139 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99139

The total length of the day in 99139 (Ione, WA) today (July 21, 2025) will be 15 hours and 35 minutes. [More]

Solar Energy in 99139 (Ione, WA)

Solar Energy Data for 99139

See the chart below to see how different types of solar panel installations compare in 99139.

Historical solar power output data for Ione is not currently available.

Solar Energy Analysis for 99139

Sorry, it is not possible to complete our solar energy analysis for 99139 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 99139

Solar Radiation Data in 99139

See the chart below for monthly solar radiation levels in 99139.

Sorry, data is not currently available.

Solar Radiation Analysis for 99139

Sorry, it is not possible to complete our solar radiation analysis for 99139 at this time.

Historical solar radiation data for 99139 is not currently available.

Please check back later.

Solar Power Comparison: 99139 vs. the U.S.

Solar Power Levels in 99139

Sorry, solar radiation data for 99139 is not currently available.

Solar Power: 99139 vs. the U.S.

Below is a month-by-month comparison of how average 99139 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 99139

Sunrise / Sunset in 99139

Sunrise/Sunset for July 21, 2025 ^[2]
- Sunrise: 5:08 am
- Sunset: 8:43 pm
- Length of Day: 15:35

Best Months for Solar in 99139

Monthly data not currently available.

Solar Panel Installs in 99139

We do not have data on solar panel installations in ZIP Code 99139 at the current time.

Solar Power Output in 99139

The Power of Solar in 99139

Monthly AC solar system output averages for 99139. Month-by-month solar power, as ranked by AC output, in 99139. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99139

Sorry, it is not possible to complete our solar radiation analysis for 99139 at this time.

Historical solar radiation data for 99139 is not currently available.

Please check back later.

Weather Forecast for 99139 ^[5]

Mon Jul 21

70°F

Overcast Clouds
Min: 58°F
Max: 70°F

Light breeze: 4 mps E
Precip.: n/a
Humidity: 53%
Cloud cover: 100%

Tue Jul 22

65°F

Moderate Rain
Min: 56°F
Max: 76°F

Light breeze: 4 mps N
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 72%

Wed Jul 23

82°F

Few Clouds
Min: 53°F
Max: 86°F

Gentle Breeze: 8 mps WSW
Precip.: n/a
Humidity: 31%
Cloud cover: 13%

Thu Jul 24

85°F

Sky Is Clear
Min: 59°F
Max: 89°F

Gentle Breeze: 8 mps SW
Precip.: n/a
Humidity: 27%
Cloud cover: 0%

Fri Jul 25

77°F

Sky Is Clear
Min: 56°F
Max: 86°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 33%
Cloud cover: 1%

Sat Jul 26

76°F

Sky Is Clear
Min: 54°F
Max: 83°F

Light breeze: 6 mps SW
Precip.: n/a
Humidity: 33%
Cloud cover: 2%

More about 99139

About 99139

The ZIP code 99139 is associated with the city of Ione in Pend Oreille County in Washington.

99139 Solar Energy & Power

To learn more about solar energy and solar power in 99139, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.