Solar Energy & Solar Power Resources

Solar Power in 98611 (Castle Rock, WA)

Solar Energy in 98611

Sorry, historical solar radition values for 98611 are currently unavailable, please check back later.

Solar Panels in 98611

Solar panels in 98611 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 98611

The total length of the day in 98611 (Castle Rock, WA) today (November 13, 2026) will be 9 hours and 31 minutes. [More]

Solar Energy in 98611 (Castle Rock, WA)

Solar Energy Data for 98611

See the chart below to see how different types of solar panel installations compare in 98611.

Historical solar power output data for Castle Rock is not currently available.

Solar Energy Analysis for 98611

Sorry, it is not possible to complete our solar energy analysis for 98611 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 98611

Solar Radiation Data in 98611

See the chart below for monthly solar radiation levels in 98611.

Sorry, data is not currently available.

Solar Radiation Analysis for 98611

Sorry, it is not possible to complete our solar radiation analysis for 98611 at this time.

Historical solar radiation data for 98611 is not currently available.

Please check back later.

Solar Power Comparison: 98611 vs. the U.S.

Solar Power Levels in 98611

Sorry, solar radiation data for 98611 is not currently available.

Solar Power: 98611 vs. the U.S.

Below is a month-by-month comparison of how average 98611 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 98611

Sunrise / Sunset in 98611

Sunrise/Sunset for November 13, 2026 ^[2]
- Sunrise: 7:10 am
- Sunset: 4:41 pm
- Length of Day: 9:31

Best Months for Solar in 98611

Monthly data not currently available.

Solar Panel Installs in 98611

We do not have data on solar panel installations in ZIP Code 98611 at the current time.

Solar Power Output in 98611

The Power of Solar in 98611

Monthly AC solar system output averages for 98611. Month-by-month solar power, as ranked by AC output, in 98611. ^[2]

AC output data is not currently available.

Solar Output Analysis for 98611

Sorry, it is not possible to complete our solar radiation analysis for 98611 at this time.

Historical solar radiation data for 98611 is not currently available.

Please check back later.

Weather Forecast for 98611 ^[5]

Fri Nov 13

50°F

Moderate Rain
Min: 48°F
Max: 51°F

Moderate breeze: 14 mps S
Precip.: Chance of Rain
Humidity: 96%
Cloud cover: 100%

Sat Nov 14

50°F

Moderate Rain
Min: 48°F
Max: 53°F

Moderate breeze: 14 mps S
Precip.: Chance of Rain
Humidity: 83%
Cloud cover: 93%

Sun Nov 15

51°F

Moderate Rain
Min: 44°F
Max: 52°F

Moderate breeze: 15 mps SSE
Precip.: Chance of Rain
Humidity: 95%
Cloud cover: 66%

Mon Nov 16

47°F

Light Rain
Min: 42°F
Max: 48°F

Gentle Breeze: 9 mps S
Precip.: Chance of Rain
Humidity: 91%
Cloud cover: 92%

Tue Nov 17

43°F

Light Rain
Min: 38°F
Max: 46°F

Gentle Breeze: 9 mps S
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 99%

Wed Nov 18

47°F

Light Rain
Min: 38°F
Max: 52°F

Gentle Breeze: 12 mps SSE
Precip.: Chance of Rain
Humidity: 64%
Cloud cover: 91%

More about 98611

About 98611

The ZIP code 98611 is associated with the city of Castle Rock in Cowlitz County in Washington.

98611 Solar Energy & Power

To learn more about solar energy and solar power in 98611, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.