Solar Energy & Solar Power Resources

Solar Power in 57481 (Westport, SD)

Solar Energy in 57481

Sorry, historical solar radition values for 57481 are currently unavailable, please check back later.

Solar Panels in 57481

Solar panels in 57481 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 57481

The total length of the day in 57481 (Westport, SD) today (August 16, 2026) will be 14 hours and 8 minutes. [More]

Solar Energy in 57481 (Westport, SD)

Solar Energy Data for 57481

See the chart below to see how different types of solar panel installations compare in 57481.

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

Solar Energy Analysis for 57481

Sorry, it is not possible to complete our solar energy analysis for 57481 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 57481

Solar Radiation Data in 57481

See the chart below for monthly solar radiation levels in 57481.

Sorry, data is not currently available.

Solar Radiation Analysis for 57481

Sorry, it is not possible to complete our solar radiation analysis for 57481 at this time.

Historical solar radiation data for 57481 is not currently available.

Please check back later.

Solar Power Comparison: 57481 vs. the U.S.

Solar Power Levels in 57481

Sorry, solar radiation data for 57481 is not currently available.

Solar Power: 57481 vs. the U.S.

Below is a month-by-month comparison of how average 57481 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 South Dakota is not currently available.

Solar Data & Statistics for 57481

Sunrise / Sunset in 57481

Sunrise/Sunset for August 16, 2026 ^[2]
- Sunrise: 6:34 am
- Sunset: 8:42 pm
- Length of Day: 14:8

Best Months for Solar in 57481

Monthly data not currently available.

Solar Panel Installs in 57481

We do not have data on solar panel installations in ZIP Code 57481 at the current time.

Solar Power Output in 57481

The Power of Solar in 57481

Monthly AC solar system output averages for 57481. Month-by-month solar power, as ranked by AC output, in 57481. ^[2]

AC output data is not currently available.

Solar Output Analysis for 57481

Sorry, it is not possible to complete our solar radiation analysis for 57481 at this time.

Historical solar radiation data for 57481 is not currently available.

Please check back later.

Weather Forecast for 57481 ^[5]

Sun Aug 16

77°F

Sky Is Clear
Min: 58°F
Max: 79°F

Gentle Breeze: 11 mps NW
Precip.: n/a
Humidity: 47%
Cloud cover: 3%

Mon Aug 17

82°F

Heavy Intensity Rain
Min: 58°F
Max: 87°F

Fresh Breeze: 21 mps NW
Precip.: Chance of Rain
Humidity: 35%
Cloud cover: 37%

Tue Aug 18

80°F

Light Rain
Min: 59°F
Max: 83°F

Gentle Breeze: 9 mps NE
Precip.: Chance of Rain
Humidity: 35%
Cloud cover: 99%

Wed Aug 19

85°F

Moderate Rain
Min: 62°F
Max: 85°F

Moderate breeze: 16 mps SSW
Precip.: Chance of Rain
Humidity: 38%
Cloud cover: 86%

Thu Aug 20

84°F

Sky Is Clear
Min: 61°F
Max: 89°F

Gentle Breeze: 10 mps S
Precip.: n/a
Humidity: 40%
Cloud cover: 3%

Fri Aug 21

73°F

Light Rain
Min: 65°F
Max: 77°F

Moderate breeze: 14 mps NE
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 93%

More about 57481

About 57481

The ZIP code 57481 is associated with the city of Westport in Brown County in South Dakota.

57481 Solar Energy & Power

To learn more about solar energy and solar power in 57481, or for more solar-related resources for SD, check out the U.S. Energy Information Administration.