"City: ","BETTLES " "State: ","AK" "WBAN No: ", 26533 "Lat(N): ", 66.92 "Long(W): ",151.52 "Elev(m): ", 205 "Pres(mb):", 988 "Stn Type:","Secondary" "SOLAR RADIATION FOR FLAT-PLATE COLLECTORS FACING SOUTH AT A FIXED-TILT (kWh/m2/day), Percentage Uncertainty = 9" "Tilt(deg)"," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "0 ","Average", 0.1, 0.6, 2.0, 3.9, 5.3, 5.7, 5.0, 3.5, 2.1, 0.8, 0.2, 0.0, 2.4 " ","Minimum", 0.1, 0.4, 1.5, 2.8, 4.6, 4.7, 4.1, 2.7, 1.7, 0.6, 0.1, 0.0, 2.1 " ","Maximum", 0.1, 0.7, 2.2, 4.4, 6.0, 6.3, 5.8, 4.2, 2.6, 1.0, 0.2, 0.0, 2.6 "Lat - 15 ","Average", 0.4, 2.0, 4.2, 5.8, 6.2, 5.8, 5.2, 4.2, 3.3, 1.9, 0.7, 0.1, 3.3 " ","Minimum", 0.2, 1.4, 2.4, 3.7, 5.1, 4.6, 4.0, 2.9, 2.3, 0.9, 0.3, 0.0, 2.8 " ","Maximum", 0.7, 3.1, 5.4, 7.0, 7.2, 6.6, 6.4, 5.4, 4.8, 2.8, 1.0, 0.2, 3.7 "Lat ","Average", 0.5, 2.2, 4.4, 5.8, 5.9, 5.3, 4.8, 4.0, 3.2, 2.0, 0.8, 0.1, 3.2 " ","Minimum", 0.2, 1.5, 2.5, 3.7, 4.7, 4.1, 3.6, 2.7, 2.2, 0.9, 0.4, 0.0, 2.7 " ","Maximum", 0.8, 3.4, 5.8, 7.1, 6.8, 6.1, 5.9, 5.1, 4.8, 3.0, 1.1, 0.2, 3.6 "Lat + 15 ","Average", 0.5, 2.3, 4.4, 5.5, 5.2, 4.5, 4.1, 3.5, 3.0, 2.0, 0.8, 0.1, 3.0 " ","Minimum", 0.3, 1.5, 2.4, 3.5, 4.2, 3.5, 3.1, 2.4, 2.1, 0.9, 0.4, 0.0, 2.5 " ","Maximum", 0.9, 3.6, 5.8, 6.8, 6.2, 5.2, 5.1, 4.6, 4.6, 3.0, 1.2, 0.2, 3.4 "90 ","Average", 0.5, 2.3, 4.3, 5.3, 4.8, 4.1, 3.7, 3.2, 2.9, 1.9, 0.8, 0.1, 2.8 " ","Minimum", 0.3, 1.5, 2.4, 3.4, 3.8, 3.1, 2.8, 2.2, 1.9, 0.9, 0.4, 0.0, 2.3 " ","Maximum", 0.9, 3.5, 5.7, 6.5, 5.8, 4.6, 4.6, 4.2, 4.3, 3.0, 1.2, 0.2, 3.2 "SOLAR RADIATION FOR 1-AXIS TRACKING FLAT-PLATE COLLECTORS WITH A NORTH-SOUTH AXIS (kWh/m2/day), Percentage Uncertainty = 9" "Axis Tilt"," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "0 ","Average", 0.1, 1.3, 3.8, 6.6, 8.3, 8.3, 7.1, 5.0, 3.2, 1.4, 0.3, 0.0, 3.8 " ","Minimum", 0.1, 0.9, 2.1, 4.1, 6.6, 6.4, 5.1, 3.4, 2.2, 0.7, 0.2, 0.0, 3.1 " ","Maximum", 0.2, 1.9, 4.8, 8.3,10.2, 9.6, 9.0, 6.8, 4.9, 2.0, 0.4, 0.0, 4.3 "Lat - 15 ","Average", 0.5, 2.3, 5.4, 8.1, 9.4, 9.0, 7.7, 5.8, 4.2, 2.1, 0.8, 0.1, 4.6 " ","Minimum", 0.2, 1.5, 2.8, 4.9, 7.3, 6.7, 5.3, 3.7, 2.7, 0.9, 0.4, 0.0, 3.7 " ","Maximum", 0.8, 3.6, 7.2,10.4,11.6,10.5, 9.9, 7.9, 6.6, 3.3, 1.1, 0.2, 5.3 "Lat ","Average", 0.5, 2.5, 5.5, 8.1, 9.2, 8.8, 7.5, 5.6, 4.2, 2.2, 0.8, 0.1, 4.6 " ","Minimum", 0.2, 1.6, 2.9, 4.9, 7.1, 6.5, 5.1, 3.6, 2.7, 0.9, 0.4, 0.0, 3.7 " ","Maximum", 0.9, 3.9, 7.4,10.5,11.4,10.3, 9.7, 7.8, 6.6, 3.5, 1.2, 0.2, 5.3 "Lat + 15 ","Average", 0.6, 2.6, 5.5, 7.9, 8.8, 8.3, 7.1, 5.3, 4.0, 2.2, 0.9, 0.1, 4.5 " ","Minimum", 0.3, 1.6, 2.9, 4.8, 6.8, 6.2, 4.7, 3.4, 2.6, 0.9, 0.4, 0.0, 3.5 " ","Maximum", 0.9, 4.0, 7.4,10.3,11.0, 9.8, 9.2, 7.4, 6.4, 3.5, 1.3, 0.2, 5.1 "SOLAR RADIATION FOR 2-AXIS TRACKING FLAT-PLATE COLLECTORS (kWh/m2/day), Percentage Uncertainty = 9" "Tracker "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "2-Axis ","Average", 0.6, 2.6, 5.5, 8.1, 9.5, 9.4, 8.0, 5.8, 4.2, 2.3, 0.9, 0.1, 4.8 " ","Minimum", 0.3, 1.6, 2.9, 4.9, 7.5, 7.1, 5.5, 3.8, 2.8, 1.0, 0.4, 0.0, 3.8 " ","Maximum", 0.9, 4.0, 7.4,10.4,11.9,11.0,10.3, 8.0, 6.6, 3.5, 1.3, 0.2, 5.5 "DIRECT BEAM SOLAR RADIATION FOR CONCENTRATING COLLECTORS (kWh/m2/day), Percentage Uncertainty = 8" "Tracker "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "1-X, E-W ","Average", 0.5, 1.6, 2.9, 3.5, 4.2, 4.2, 3.4, 2.4, 2.0, 1.2, 0.6, 0.1, 2.2 "Hor Axis ","Minimum", 0.2, 0.8, 1.1, 1.8, 2.6, 2.7, 1.6, 1.2, 1.0, 0.3, 0.2, 0.0, 1.5 " ","Maximum", 0.8, 2.9, 4.4, 5.1, 6.1, 5.3, 4.8, 3.7, 3.7, 2.1, 0.9, 0.2, 2.7 "1-X, N-S ","Average", 0.1, 0.8, 2.4, 3.9, 5.3, 5.1, 4.2, 2.8, 1.9, 0.7, 0.2, 0.0, 2.3 "Hor Axis ","Minimum", 0.0, 0.4, 0.8, 2.0, 3.2, 3.2, 2.0, 1.4, 0.9, 0.2, 0.1, 0.0, 1.5 " ","Maximum", 0.2, 1.5, 3.6, 5.9, 7.7, 6.5, 5.9, 4.6, 3.7, 1.2, 0.3, 0.0, 2.8 "1-X, N-S ","Average", 0.5, 1.8, 3.8, 5.0, 5.9, 5.5, 4.5, 3.3, 2.7, 1.3, 0.6, 0.1, 2.9 "Tilt=Lat ","Minimum", 0.2, 0.9, 1.4, 2.5, 3.6, 3.5, 2.2, 1.7, 1.4, 0.3, 0.2, 0.0, 2.0 " ","Maximum", 0.8, 3.2, 5.7, 7.5, 8.5, 6.9, 6.5, 5.4, 5.1, 2.5, 0.9, 0.2, 3.6 "2-X ","Average", 0.5, 1.8, 3.8, 5.1, 6.2, 6.0, 4.8, 3.5, 2.7, 1.4, 0.6, 0.1, 3.0 " ","Minimum", 0.2, 0.9, 1.4, 2.6, 3.8, 3.8, 2.3, 1.7, 1.4, 0.3, 0.2, 0.0, 2.1 " ","Maximum", 0.9, 3.3, 5.7, 7.6, 9.0, 7.6, 6.9, 5.5, 5.2, 2.5, 1.0, 0.2, 3.8 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)",-24.8,-22.8,-16.2, -6.3, 6.2, 14.0, 15.2, 11.8, 4.9, -7.5,-18.8,-22.9, -5.6 "Daily Min","(deg C)",-29.1,-27.9,-22.6,-12.4, 0.8, 8.3, 9.6, 6.6, 0.2,-11.1,-22.7,-27.1,-10.6 "Daily Max","(deg C)",-20.5,-17.6, -9.8, -0.3, 11.6, 19.7, 20.9, 17.1, 9.4, -3.9,-14.9,-18.8, -0.6 "Record Lo","(deg C)",-56.7,-51.1,-48.9,-38.3,-23.3, -2.8, -1.7, -5.6,-16.7,-35.6,-49.4,-50.6,-56.7 "Record Hi","(deg C)", 8.9, 4.4, 6.7, 13.3, 30.0, 33.3, 33.9, 30.6, 26.1, 11.7, 7.2, 3.3, 33.9 "HDD,Base="," 18.3C ", 1338, 1151, 1069, 738, 376, 132, 107, 207, 403, 801, 1113, 1279, 8716 "CDD,Base="," 18.3C ", 0, 0, 0, 0, 0, 0, 10, 6, 0, 0, 0, 0, 16 "Rel Hum ","percent", 69, 66, 65, 67, 61, 60, 68, 76, 76, 78, 73, 72, 69 "Wind Spd."," (m/s) ", 2.7, 2.8, 3.2, 3.4, 3.4, 3.2, 3.0, 2.7, 3.0, 3.0, 2.7, 2.5, 3.0