"City: ","FLAGSTAFF " "State: ","AZ" "WBAN No: ", 03103 "Lat(N): ", 35.13 "Long(W): ",111.67 "Elev(m): ", 2135 "Pres(mb):", 788 "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", 3.1, 4.0, 5.1, 6.3, 7.2, 7.7, 6.4, 5.9, 5.4, 4.4, 3.3, 2.8, 5.1 " ","Minimum", 2.7, 3.5, 4.3, 5.4, 6.2, 6.6, 5.2, 4.4, 4.6, 3.4, 2.6, 2.2, 4.8 " ","Maximum", 3.5, 4.5, 6.0, 6.8, 7.8, 8.4, 7.4, 6.8, 6.4, 5.0, 3.7, 3.2, 5.4 "Lat - 15 ","Average", 4.4, 5.2, 5.9, 6.8, 7.2, 7.4, 6.2, 6.1, 6.1, 5.6, 4.7, 4.2, 5.8 " ","Minimum", 3.5, 4.4, 5.0, 5.8, 6.2, 6.4, 5.2, 4.5, 5.1, 4.0, 3.4, 3.0, 5.4 " ","Maximum", 5.3, 6.0, 7.1, 7.3, 7.8, 8.1, 7.2, 7.1, 7.4, 6.5, 5.4, 4.9, 6.1 "Lat ","Average", 5.2, 5.8, 6.2, 6.7, 6.7, 6.7, 5.8, 5.9, 6.3, 6.1, 5.4, 4.9, 6.0 " ","Minimum", 4.0, 4.9, 5.2, 5.7, 5.8, 5.8, 4.8, 4.3, 5.2, 4.3, 3.8, 3.5, 5.5 " ","Maximum", 6.3, 6.8, 7.5, 7.2, 7.3, 7.3, 6.6, 6.8, 7.6, 7.1, 6.3, 5.9, 6.2 "Lat + 15 ","Average", 5.6, 6.1, 6.2, 6.2, 5.9, 5.7, 5.0, 5.4, 6.0, 6.3, 5.8, 5.4, 5.8 " ","Minimum", 4.3, 5.1, 5.2, 5.3, 5.1, 5.0, 4.2, 3.9, 5.0, 4.3, 4.0, 3.7, 5.3 " ","Maximum", 6.9, 7.1, 7.5, 6.8, 6.4, 6.2, 5.8, 6.2, 7.3, 7.3, 6.8, 6.5, 6.1 "90 ","Average", 5.3, 5.3, 4.6, 3.6, 2.6, 2.2, 2.2, 2.8, 3.9, 4.9, 5.1, 5.1, 4.0 " ","Minimum", 4.1, 4.3, 3.8, 3.0, 2.4, 2.1, 2.0, 2.1, 3.2, 3.3, 3.4, 3.5, 3.6 " ","Maximum", 6.5, 6.2, 5.4, 4.6, 2.8, 2.3, 2.4, 3.1, 4.6, 5.8, 6.1, 6.4, 4.3 "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", 4.8, 6.0, 7.4, 9.1,10.1,10.8, 8.6, 8.2, 7.9, 6.8, 5.2, 4.4, 7.5 " ","Minimum", 3.8, 4.9, 5.8, 7.4, 8.4, 8.9, 6.7, 5.7, 6.4, 4.6, 3.5, 3.1, 6.7 " ","Maximum", 5.8, 7.1, 9.2,10.2,11.3,12.1,10.3, 9.8, 9.8, 8.0, 6.2, 5.3, 7.9 "Lat - 15 ","Average", 5.8, 6.9, 8.0, 9.5,10.2,10.7, 8.6, 8.4, 8.5, 7.6, 6.2, 5.4, 8.0 " ","Minimum", 4.4, 5.6, 6.3, 7.7, 8.5, 8.9, 6.7, 5.8, 6.9, 5.1, 4.2, 3.7, 7.1 " ","Maximum", 7.1, 8.2,10.1,10.6,11.4,12.0,10.3,10.0,10.6, 9.1, 7.4, 6.4, 8.4 "Lat ","Average", 6.4, 7.4, 8.3, 9.4, 9.9,10.3, 8.3, 8.3, 8.6, 8.0, 6.7, 6.0, 8.1 " ","Minimum", 4.8, 5.9, 6.5, 7.7, 8.3, 8.5, 6.4, 5.7, 6.9, 5.3, 4.5, 4.1, 7.2 " ","Maximum", 7.9, 8.8,10.4,10.6,11.1,11.5, 9.9, 9.9,10.7, 9.6, 8.1, 7.2, 8.6 "Lat + 15 ","Average", 6.8, 7.6, 8.2, 9.1, 9.4, 9.6, 7.8, 7.9, 8.4, 8.1, 7.0, 6.4, 8.0 " ","Minimum", 5.1, 6.1, 6.4, 7.4, 7.8, 7.9, 6.0, 5.5, 6.8, 5.3, 4.6, 4.3, 7.1 " ","Maximum", 8.4, 9.0,10.3,10.2,10.5,10.8, 9.3, 9.4,10.5, 9.7, 8.5, 7.7, 8.5 "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", 6.8, 7.6, 8.3, 9.5,10.3,11.0, 8.7, 8.5, 8.6, 8.1, 7.1, 6.5, 8.4 " ","Minimum", 5.1, 6.1, 6.5, 7.8, 8.6, 9.1, 6.8, 5.9, 6.9, 5.3, 4.6, 4.3, 7.5 " ","Maximum", 8.5, 9.0,10.4,10.7,11.6,12.3,10.5,10.1,10.7, 9.7, 8.5, 7.9, 8.9 "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", 4.4, 4.4, 4.4, 5.1, 5.7, 6.3, 4.4, 4.3, 4.6, 4.9, 4.6, 4.3, 4.8 "Hor Axis ","Minimum", 2.5, 2.9, 2.7, 3.8, 4.2, 4.7, 2.8, 2.3, 3.4, 2.5, 2.6, 2.3, 3.9 " ","Maximum", 6.0, 6.0, 6.4, 6.1, 6.8, 7.7, 6.0, 5.6, 6.4, 6.3, 6.1, 5.7, 5.3 "1-X, N-S ","Average", 3.6, 4.4, 5.4, 6.9, 7.9, 8.6, 6.0, 5.9, 6.0, 5.4, 4.1, 3.4, 5.6 "Hor Axis ","Minimum", 2.1, 2.8, 3.3, 5.1, 5.8, 6.3, 3.7, 3.3, 4.4, 2.7, 2.2, 1.8, 4.6 " ","Maximum", 5.0, 5.9, 7.8, 8.4, 9.4,10.3, 8.1, 7.7, 8.4, 6.9, 5.4, 4.5, 6.2 "1-X, N-S ","Average", 4.9, 5.5, 6.1, 7.2, 7.6, 8.0, 5.7, 5.9, 6.5, 6.4, 5.4, 4.7, 6.2 "Tilt=Lat ","Minimum", 2.9, 3.5, 3.7, 5.2, 5.7, 5.9, 3.5, 3.3, 4.8, 3.3, 2.9, 2.5, 5.0 " ","Maximum", 6.8, 7.4, 8.9, 8.7, 9.1, 9.7, 7.7, 7.8, 9.1, 8.3, 7.2, 6.3, 6.8 "2-X ","Average", 5.3, 5.7, 6.1, 7.3, 8.1, 8.7, 6.1, 6.1, 6.6, 6.5, 5.7, 5.1, 6.4 " ","Minimum", 3.0, 3.6, 3.7, 5.3, 6.0, 6.4, 3.7, 3.4, 4.8, 3.3, 3.1, 2.8, 5.2 " ","Maximum", 7.3, 7.6, 8.9, 8.8, 9.6,10.5, 8.2, 8.0, 9.2, 8.4, 7.6, 6.8, 7.1 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", -1.8, -0.3, 1.8, 5.7, 10.2, 15.4, 19.1, 17.8, 14.1, 8.4, 2.7, -1.3, 7.7 "Daily Min","(deg C)", -9.3, -7.9, -5.9, -2.9, 0.7, 5.2, 10.3, 9.4, 5.1, -0.6, -5.3, -9.0, -0.8 "Daily Max","(deg C)", 5.7, 7.4, 9.6, 14.3, 19.7, 25.7, 27.7, 26.3, 22.9, 17.4, 10.6, 6.3, 16.1 "Record Lo","(deg C)",-30.0,-30.6,-26.7,-18.9,-10.0, -5.6, 0.0, -4.4, -5.0,-18.9,-25.0,-30.6,-30.6 "Record Hi","(deg C)", 18.9, 21.7, 22.8, 26.7, 30.6, 35.6, 36.1, 33.3, 32.2, 29.4, 23.3, 20.0, 36.1 "HDD,Base="," 18.3C ", 625, 521, 512, 378, 252, 104, 16, 36, 132, 307, 470, 609, 3962 "CDD,Base="," 18.3C ", 0, 0, 0, 0, 0, 17, 39, 21, 3, 0, 0, 0, 81 "Rel Hum ","percent", 62, 60, 56, 47, 40, 33, 51, 58, 55, 53, 57, 61, 53 "Wind Spd."," (m/s) ", 2.9, 2.8, 3.1, 3.3, 3.2, 3.0, 2.3, 2.0, 2.3, 2.4, 2.8, 2.6, 2.7