Solar Energy & Solar Power Resources

Solar Power in 91188 (Pasadena, CA)

Solar Energy in 91188

Sorry, historical solar radition values for 91188 are currently unavailable, please check back later.

Solar Panels in 91188

Solar panels in 91188 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91188

The total length of the day in 91188 (Pasadena, CA) today (May 07, 2025) will be 13 hours and 47 minutes. [More]

Solar Energy in 91188 (Pasadena, CA)

Solar Energy Data for 91188

See the chart below to see how different types of solar panel installations compare in 91188.

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

Solar Energy Analysis for 91188

Sorry, it is not possible to complete our solar energy analysis for 91188 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 91188

Solar Radiation Data in 91188

See the chart below for monthly solar radiation levels in 91188.

Sorry, data is not currently available.

Solar Radiation Analysis for 91188

Sorry, it is not possible to complete our solar radiation analysis for 91188 at this time.

Historical solar radiation data for 91188 is not currently available.

Please check back later.

Solar Power Comparison: 91188 vs. the U.S.

Solar Power Levels in 91188

Sorry, solar radiation data for 91188 is not currently available.

Solar Power: 91188 vs. the U.S.

Below is a month-by-month comparison of how average 91188 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 91188

Sunrise / Sunset in 91188

Sunrise/Sunset for May 07, 2025 ^[2]
- Sunrise: 5:55 am
- Sunset: 7:42 pm
- Length of Day: 13:47

Best Months for Solar in 91188

Monthly data not currently available.

Solar Panel Installs in 91188

We do not have data on solar panel installations in ZIP Code 91188 at the current time.

Solar Power Output in 91188

The Power of Solar in 91188

Monthly AC solar system output averages for 91188. Month-by-month solar power, as ranked by AC output, in 91188. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91188

Sorry, it is not possible to complete our solar radiation analysis for 91188 at this time.

Historical solar radiation data for 91188 is not currently available.

Please check back later.

Weather Forecast for 91188 ^[5]

Wed May 7

71°F

Sky Is Clear
Min: 55°F
Max: 71°F

Gentle Breeze: 11 mps SW
Precip.: n/a
Humidity: 62%
Cloud cover: 0%

Thu May 8

81°F

Sky Is Clear
Min: 61°F
Max: 84°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 29%
Cloud cover: 0%

Fri May 9

89°F

Sky Is Clear
Min: 69°F
Max: 92°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 18%
Cloud cover: 0%

Sat May 10

93°F

Sky Is Clear
Min: 73°F
Max: 95°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 15%
Cloud cover: 0%

Sun May 11

81°F

Overcast Clouds
Min: 64°F
Max: 85°F

Gentle Breeze: 9 mps SSW
Precip.: n/a
Humidity: 32%
Cloud cover: 88%

Mon May 12

67°F

Broken Clouds
Min: 57°F
Max: 69°F

Gentle Breeze: 12 mps S
Precip.: n/a
Humidity: 51%
Cloud cover: 69%

More about 91188

About 91188

The ZIP code 91188 is associated with the city of Pasadena in Los Angeles County in California.

91188 Solar Energy & Power

To learn more about solar energy and solar power in 91188, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.