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> WEATHER DATA

CALIFORNIA / Arcata
Latitude (N): 40.98
Longitude (W): 124.10
Elevation (feet): 226
Annual Precipitation (inches): 39
Annual heating degree days (base 65 deg. F): 2,860

APPROXIMATE SUN ANGLE (at noon facing due south)

Mar 21
June 21
Sept 21
Dec 21
49 deg.
71 deg.
49 deg.
25 deg.



AVERAGE DAILY SOLAR RADIATION

 
March
June
September
December
On horizontal surface
kWh/m2
3.6 6.0 4.4 1.6
BTU/ft2
1,142 1,903 1,396 508
On vertical surface
kWh/m2
3.2 2.5 3.4 2.8
BTU/ft2
1,015 793 1,078 888


AVERAGE TEMPERATURE AND WIND SPEED

 
March
June
September
December
Daily Min. - Degrees F 41 48 48 39
Daily Max. - Degrees F 55 61 64 54
Wind Speed - miles/hour 7.8 6.7 5.1 6.3

 

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