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> WEATHER DATA

MONTANA / Kalispell
Latitude (N): 48.30
Longitude (W): 114.27
Elevation (feet):
2,966
Annual Precipitation (inches):
16
Annual heating degree days (base 65 deg. F): 8,360

APPROXIMATE SUN ANGLE (at noon facing due south)

Mar 21
June 21
Sept 21
Dec 21
42 deg.
66 deg.
42 deg.
18 deg.



AVERAGE DAILY SOLAR RADIATION

 
March
June
September
December
On horizontal surface
kWh/m2
3.1 6.1 4.0 1.0
BTU/ft2
983 1,935 1,269 317
On vertical surface
kWh/m2
3.4 3.0 3.9 1.7
BTU/ft2
1,078 952 1,237 539


AVERAGE TEMPERATURE AND WIND SPEED

 
March
June
September
December
Daily Min. - Degrees F 24 44 39 15
Daily Max. - Degrees F 43 71 68 30
Wind Speed - miles/hour 6.9 6.9 6.5 5.1

 

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