Solar Energy & Solar Power Resources

Solar Power in 91942 (La Mesa, CA)

Solar Energy in 91942

Sorry, historical solar radition values for 91942 are currently unavailable, please check back later.

Solar Panels in 91942

Solar panels in 91942 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91942

The total length of the day in 91942 (La Mesa, CA) today (August 23, 2026) will be 13 hours and 10 minutes. [More]

Solar Energy in 91942 (La Mesa, CA)

Solar Energy Data for 91942

See the chart below to see how different types of solar panel installations compare in 91942.

Historical solar power output data for La Mesa is not currently available.

Solar Energy Analysis for 91942

Sorry, it is not possible to complete our solar energy analysis for 91942 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 91942

Solar Radiation Data in 91942

See the chart below for monthly solar radiation levels in 91942.

Sorry, data is not currently available.

Solar Radiation Analysis for 91942

Sorry, it is not possible to complete our solar radiation analysis for 91942 at this time.

Historical solar radiation data for 91942 is not currently available.

Please check back later.

Solar Power Comparison: 91942 vs. the U.S.

Solar Power Levels in 91942

Sorry, solar radiation data for 91942 is not currently available.

Solar Power: 91942 vs. the U.S.

Below is a month-by-month comparison of how average 91942 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 91942

Sunrise / Sunset in 91942

Sunrise/Sunset for August 23, 2026 ^[2]
- Sunrise: 6:15 am
- Sunset: 7:25 pm
- Length of Day: 13:10

Best Months for Solar in 91942

Monthly data not currently available.

Solar Panel Installs in 91942

We do not have data on solar panel installations in ZIP Code 91942 at the current time.

Solar Power Output in 91942

The Power of Solar in 91942

Monthly AC solar system output averages for 91942. Month-by-month solar power, as ranked by AC output, in 91942. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91942

Sorry, it is not possible to complete our solar radiation analysis for 91942 at this time.

Historical solar radiation data for 91942 is not currently available.

Please check back later.

Weather Forecast for 91942 ^[5]

Sun Aug 23

92°F

Sky Is Clear
Min: 68°F
Max: 97°F

Gentle Breeze: 10 mps W
Precip.: n/a
Humidity: 35%
Cloud cover: 6%

Mon Aug 24

91°F

Sky Is Clear
Min: 71°F
Max: 95°F

Gentle Breeze: 9 mps W
Precip.: n/a
Humidity: 37%
Cloud cover: 5%

Tue Aug 25

92°F

Sky Is Clear
Min: 78°F
Max: 92°F

Gentle Breeze: 9 mps WSW
Precip.: n/a
Humidity: 32%
Cloud cover: 4%

Wed Aug 26

86°F

Sky Is Clear
Min: 78°F
Max: 86°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 44%
Cloud cover: 0%

Thu Aug 27

85°F

Few Clouds
Min: 75°F
Max: 87°F

Gentle Breeze: 10 mps WSW
Precip.: n/a
Humidity: 44%
Cloud cover: 14%

Fri Aug 28

88°F

Light Rain
Min: 77°F
Max: 90°F

Gentle Breeze: 10 mps WSW
Precip.: Chance of Rain
Humidity: 36%
Cloud cover: 93%

More about 91942

About 91942

The ZIP code 91942 is associated with the city of La Mesa in San Diego County in California.

91942 Solar Energy & Power

To learn more about solar energy and solar power in 91942, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.