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> WEATHER DATA

ARKANSAS / Little Rock
Latitude (N): 34.43
Longitude (W): 92.23
Elevation (feet): 266
Annual Precipitation (inches): 49
Annual heating degree days (base 65 deg. F): 3,150

APPROXIMATE SUN ANGLE (at noon facing due south)

Mar 21
June 21
Sept 21
Dec 21
55 deg.
79 deg.
55 deg.
31 deg.



AVERAGE DAILY SOLAR RADIATION

 
March
June
September
December
On horizontal surface
kWh/m2
4.3 6.5 4.8 2.2
BTU/ft2
1,364 2,062 1,523 698
On vertical surface
kWh/m2
3.5 2.2 3.3 3.3
BTU/ft2
1,110 698 1,047 1,047


AVERAGE TEMPERATURE AND WIND SPEED

 
March
June
September
December
Daily Min. - Degrees F 42 67 64 33
Daily Max. - Degrees F 64 89 84 53
Wind Speed - miles/hour 9.2 6.7 6.3 7.8

 

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