Solar Energy & Solar Power Resources

Solar Power in 91803 (Alhambra, CA)

Solar Energy in 91803

Sorry, historical solar radition values for 91803 are currently unavailable, please check back later.

Solar Panels in 91803

Solar panels in 91803 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91803

The total length of the day in 91803 (Alhambra, CA) today (January 14, 2026) will be 10 hours and 10 minutes. [More]

Solar Energy in 91803 (Alhambra, CA)

Solar Energy Data for 91803

See the chart below to see how different types of solar panel installations compare in 91803.

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

Solar Energy Analysis for 91803

Sorry, it is not possible to complete our solar energy analysis for 91803 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 91803

Solar Radiation Data in 91803

See the chart below for monthly solar radiation levels in 91803.

Sorry, data is not currently available.

Solar Radiation Analysis for 91803

Sorry, it is not possible to complete our solar radiation analysis for 91803 at this time.

Historical solar radiation data for 91803 is not currently available.

Please check back later.

Solar Power Comparison: 91803 vs. the U.S.

Solar Power Levels in 91803

Sorry, solar radiation data for 91803 is not currently available.

Solar Power: 91803 vs. the U.S.

Below is a month-by-month comparison of how average 91803 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 91803

Sunrise / Sunset in 91803

Sunrise/Sunset for January 14, 2026 ^[2]
- Sunrise: 6:56 am
- Sunset: 5:06 pm
- Length of Day: 10:10

Best Months for Solar in 91803

Monthly data not currently available.

Solar Panel Installs in 91803

We do not have data on solar panel installations in ZIP Code 91803 at the current time.

Solar Power Output in 91803

The Power of Solar in 91803

Monthly AC solar system output averages for 91803. Month-by-month solar power, as ranked by AC output, in 91803. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91803

Sorry, it is not possible to complete our solar radiation analysis for 91803 at this time.

Historical solar radiation data for 91803 is not currently available.

Please check back later.

Weather Forecast for 91803 ^[5]

Wed Jan 14

78°F

Sky Is Clear
Min: 54°F
Max: 81°F

Light breeze: 4 mps NNE
Precip.: n/a
Humidity: 11%
Cloud cover: 0%

Thu Jan 15

78°F

Sky Is Clear
Min: 64°F
Max: 80°F

Light breeze: 6 mps SW
Precip.: n/a
Humidity: 13%
Cloud cover: 1%

Fri Jan 16

77°F

Sky Is Clear
Min: 63°F
Max: 79°F

Light breeze: 5 mps WSW
Precip.: n/a
Humidity: 12%
Cloud cover: 0%

Sat Jan 17

78°F

Overcast Clouds
Min: 64°F
Max: 78°F

Light breeze: 5 mps NNE
Precip.: n/a
Humidity: 8%
Cloud cover: 99%

Sun Jan 18

79°F

Sky Is Clear
Min: 66°F
Max: 79°F

Light breeze: 6 mps SW
Precip.: n/a
Humidity: 8%
Cloud cover: 5%

Mon Jan 19

77°F

Overcast Clouds
Min: 64°F
Max: 77°F

Light breeze: 5 mps SW
Precip.: n/a
Humidity: 9%
Cloud cover: 100%

More about 91803

About 91803

The ZIP code 91803 is associated with the city of Alhambra in Los Angeles County in California.

91803 Solar Energy & Power

To learn more about solar energy and solar power in 91803, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.