Solar Energy & Solar Power Resources

Solar Power in 94999 (Petaluma, CA)

Solar Energy in 94999

Sorry, historical solar radition values for 94999 are currently unavailable, please check back later.

Solar Panels in 94999

Solar panels in 94999 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 94999

The total length of the day in 94999 (Petaluma, CA) today (September 07, 2026) will be 12 hours and 48 minutes. [More]

Solar Energy in 94999 (Petaluma, CA)

Solar Energy Data for 94999

See the chart below to see how different types of solar panel installations compare in 94999.

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

Solar Energy Analysis for 94999

Sorry, it is not possible to complete our solar energy analysis for 94999 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 94999

Solar Radiation Data in 94999

See the chart below for monthly solar radiation levels in 94999.

Sorry, data is not currently available.

Solar Radiation Analysis for 94999

Sorry, it is not possible to complete our solar radiation analysis for 94999 at this time.

Historical solar radiation data for 94999 is not currently available.

Please check back later.

Solar Power Comparison: 94999 vs. the U.S.

Solar Power Levels in 94999

Sorry, solar radiation data for 94999 is not currently available.

Solar Power: 94999 vs. the U.S.

Below is a month-by-month comparison of how average 94999 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 California is not currently available.

Solar Data & Statistics for 94999

Sunrise / Sunset in 94999

Sunrise/Sunset for September 07, 2026 ^[2]
- Sunrise: 6:44 am
- Sunset: 7:32 pm
- Length of Day: 12:48

Best Months for Solar in 94999

Monthly data not currently available.

Solar Panel Installs in 94999

We do not have data on solar panel installations in ZIP Code 94999 at the current time.

Solar Power Output in 94999

The Power of Solar in 94999

Monthly AC solar system output averages for 94999. Month-by-month solar power, as ranked by AC output, in 94999. ^[2]

AC output data is not currently available.

Solar Output Analysis for 94999

Sorry, it is not possible to complete our solar radiation analysis for 94999 at this time.

Historical solar radiation data for 94999 is not currently available.

Please check back later.

Weather Forecast for 94999 ^[5]

Mon Sep 7

87°F

Sky Is Clear
Min: 54°F
Max: 89°F

Gentle Breeze: 9 mps WSW
Precip.: n/a
Humidity: 33%
Cloud cover: 0%

Tue Sep 8

92°F

Sky Is Clear
Min: 59°F
Max: 95°F

Gentle Breeze: 9 mps SSW
Precip.: n/a
Humidity: 12%
Cloud cover: 6%

Wed Sep 9

104°F

Overcast Clouds
Min: 66°F
Max: 104°F

Gentle Breeze: 9 mps WSW
Precip.: n/a
Humidity: 10%
Cloud cover: 98%

Thu Sep 10

94°F

Sky Is Clear
Min: 58°F
Max: 94°F

Gentle Breeze: 11 mps WSW
Precip.: n/a
Humidity: 17%
Cloud cover: 4%

Fri Sep 11

81°F

Sky Is Clear
Min: 54°F
Max: 81°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 36%
Cloud cover: 0%

Sat Sep 12

75°F

Sky Is Clear
Min: 52°F
Max: 75°F

Moderate breeze: 17 mps W
Precip.: n/a
Humidity: 34%
Cloud cover: 2%

More about 94999

About 94999

The ZIP code 94999 is associated with the city of Petaluma in Sonoma County in California.

94999 Solar Energy & Power

To learn more about solar energy and solar power in 94999, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.