"City: ","SAN ANTONIO " "State: ","TX" "WBAN No: ", 12921 "Lat(N): ", 29.53 "Long(W): ", 98.47 "Elev(m): ", 242 "Pres(mb):", 988 "Stn Type:","Primary" "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, 3.9, 4.8, 5.5, 6.0, 6.7, 6.9, 6.4, 5.4, 4.5, 3.4, 2.9, 4.9 " ","Minimum", 2.6, 3.3, 3.8, 4.3, 4.9, 5.7, 5.6, 5.6, 4.7, 3.6, 2.7, 2.5, 4.7 " ","Maximum", 3.5, 4.6, 5.8, 6.4, 6.5, 7.3, 7.7, 7.1, 6.2, 5.1, 4.1, 3.5, 5.2 "Lat - 15 ","Average", 3.7, 4.5, 5.2, 5.7, 5.9, 6.5, 6.7, 6.6, 5.8, 5.1, 4.1, 3.5, 5.3 " ","Minimum", 3.0, 3.7, 4.1, 4.4, 4.9, 5.5, 5.6, 5.7, 4.9, 4.0, 3.0, 3.0, 5.0 " ","Maximum", 4.5, 5.5, 6.4, 6.7, 6.4, 7.1, 7.5, 7.2, 6.7, 5.9, 5.2, 4.6, 5.5 "Lat ","Average", 4.3, 4.9, 5.4, 5.6, 5.6, 6.0, 6.3, 6.3, 5.9, 5.5, 4.6, 4.1, 5.4 " ","Minimum", 3.4, 3.9, 4.2, 4.3, 4.6, 5.1, 5.2, 5.6, 5.0, 4.2, 3.2, 3.3, 5.1 " ","Maximum", 5.2, 6.1, 6.7, 6.6, 6.1, 6.5, 7.0, 6.9, 6.8, 6.5, 6.0, 5.4, 5.6 "Lat + 15 ","Average", 4.5, 5.0, 5.3, 5.2, 5.0, 5.2, 5.5, 5.8, 5.7, 5.6, 4.9, 4.4, 5.2 " ","Minimum", 3.5, 4.0, 4.1, 4.0, 4.1, 4.5, 4.6, 5.1, 4.8, 4.2, 3.3, 3.5, 4.9 " ","Maximum", 5.6, 6.4, 6.6, 6.1, 5.4, 5.6, 6.1, 6.3, 6.6, 6.6, 6.4, 5.9, 5.4 "90 ","Average", 3.8, 3.8, 3.4, 2.7, 2.1, 1.9, 2.0, 2.6, 3.3, 4.0, 4.0, 3.8, 3.1 " ","Minimum", 2.9, 2.9, 2.7, 2.2, 1.9, 1.8, 1.9, 2.4, 2.8, 2.9, 2.5, 2.9, 2.9 " ","Maximum", 4.8, 5.0, 4.2, 3.0, 2.2, 2.0, 2.1, 2.7, 3.8, 4.8, 5.4, 5.3, 3.3 "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", 4.2, 5.2, 6.3, 6.9, 7.3, 8.4, 8.7, 8.3, 7.1, 6.1, 4.7, 3.9, 6.4 " ","Minimum", 3.3, 4.1, 4.6, 4.9, 5.6, 6.6, 6.6, 6.9, 5.7, 4.4, 3.2, 3.2, 6.0 " ","Maximum", 5.1, 6.6, 8.0, 8.6, 8.2, 9.5,10.2, 9.5, 8.6, 7.4, 6.1, 5.3, 6.8 "Lat - 15 ","Average", 4.7, 5.7, 6.6, 7.1, 7.3, 8.3, 8.7, 8.4, 7.4, 6.6, 5.2, 4.4, 6.7 " ","Minimum", 3.6, 4.4, 4.9, 5.0, 5.6, 6.5, 6.6, 7.0, 5.9, 4.7, 3.5, 3.5, 6.2 " ","Maximum", 5.8, 7.3, 8.5, 8.8, 8.2, 9.4,10.1, 9.6, 9.0, 8.0, 6.9, 6.0, 7.1 "Lat ","Average", 5.1, 6.0, 6.8, 7.0, 7.1, 7.9, 8.4, 8.3, 7.5, 6.9, 5.6, 4.8, 6.8 " ","Minimum", 3.9, 4.6, 5.0, 4.9, 5.4, 6.2, 6.3, 6.9, 5.9, 4.8, 3.6, 3.8, 6.3 " ","Maximum", 6.3, 7.7, 8.8, 8.7, 8.0, 9.0, 9.7, 9.5, 9.1, 8.4, 7.5, 6.7, 7.2 "Lat + 15 ","Average", 5.3, 6.1, 6.7, 6.7, 6.7, 7.4, 7.8, 7.9, 7.3, 6.9, 5.8, 5.0, 6.6 " ","Minimum", 4.0, 4.6, 4.9, 4.7, 5.0, 5.8, 5.9, 6.6, 5.8, 4.8, 3.7, 4.0, 6.2 " ","Maximum", 6.7, 7.9, 8.7, 8.4, 7.5, 8.4, 9.1, 9.0, 8.9, 8.5, 7.8, 7.1, 7.0 "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", 5.3, 6.1, 6.8, 7.1, 7.4, 8.4, 8.8, 8.4, 7.5, 6.9, 5.8, 5.1, 7.0 " ","Minimum", 4.0, 4.7, 5.0, 5.0, 5.6, 6.6, 6.7, 7.1, 5.9, 4.9, 3.7, 4.0, 6.5 " ","Maximum", 6.7, 7.9, 8.8, 8.8, 8.3, 9.6,10.3, 9.7, 9.1, 8.5, 7.9, 7.2, 7.4 "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", 3.0, 3.3, 3.3, 3.2, 3.3, 4.0, 4.4, 4.1, 3.6, 3.7, 3.3, 3.0, 3.5 "Hor Axis ","Minimum", 2.0, 2.2, 1.9, 1.5, 1.6, 2.5, 2.6, 2.9, 2.2, 2.0, 1.5, 2.1, 3.1 " ","Maximum", 4.2, 4.8, 5.0, 4.5, 4.1, 5.1, 5.8, 5.2, 5.1, 5.0, 5.1, 4.7, 3.9 "1-X, N-S ","Average", 2.7, 3.4, 4.0, 4.2, 4.2, 5.2, 5.7, 5.4, 4.5, 4.1, 3.1, 2.5, 4.1 "Hor Axis ","Minimum", 1.7, 2.3, 2.3, 1.9, 2.1, 3.1, 3.3, 3.8, 2.8, 2.2, 1.5, 1.7, 3.6 " ","Maximum", 3.8, 5.0, 6.1, 6.0, 5.3, 6.7, 7.6, 6.8, 6.4, 5.7, 4.8, 4.0, 4.6 "1-X, N-S ","Average", 3.4, 4.1, 4.4, 4.2, 4.1, 4.8, 5.3, 5.3, 4.8, 4.7, 3.9, 3.2, 4.4 "Tilt=Lat ","Minimum", 2.2, 2.7, 2.6, 1.9, 2.0, 2.9, 3.1, 3.8, 3.0, 2.5, 1.8, 2.3, 3.8 " ","Maximum", 4.8, 5.9, 6.7, 6.1, 5.1, 6.2, 7.1, 6.7, 6.9, 6.5, 6.0, 5.2, 4.9 "2-X ","Average", 3.7, 4.2, 4.4, 4.3, 4.3, 5.3, 5.7, 5.5, 4.8, 4.8, 4.1, 3.5, 4.5 " ","Minimum", 2.3, 2.8, 2.6, 1.9, 2.2, 3.2, 3.3, 3.9, 3.0, 2.6, 1.9, 2.4, 4.0 " ","Maximum", 5.1, 6.1, 6.7, 6.2, 5.4, 6.7, 7.7, 6.9, 6.9, 6.6, 6.3, 5.7, 5.1 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", 9.6, 11.9, 16.5, 20.7, 24.2, 27.9, 29.4, 29.4, 26.3, 21.2, 15.8, 11.2, 20.3 "Daily Min","(deg C)", 3.3, 5.2, 9.8, 14.7, 18.7, 22.6, 23.9, 23.6, 20.7, 14.9, 9.3, 4.9, 14.3 "Daily Max","(deg C)", 16.0, 18.7, 23.1, 26.8, 29.6, 33.2, 35.0, 35.2, 31.8, 27.6, 22.2, 17.5, 26.4 "Record Lo","(deg C)",-17.8,-14.4, -7.2, -0.6, 6.1, 11.7, 16.7, 16.1, 5.0, 0.6, -6.1,-14.4,-17.8 "Record Hi","(deg C)", 31.7, 36.1, 37.8, 37.8, 39.4, 40.6, 41.1, 42.2, 39.4, 37.2, 34.4, 32.2, 42.2 "HDD,Base="," 18.3C ", 274, 184, 93, 18, 0, 0, 0, 0, 0, 17, 100, 227, 913 "CDD,Base="," 18.3C ", 4, 6, 36, 89, 181, 287, 344, 343, 238, 106, 23, 7, 1664 "Rel Hum ","percent", 67, 65, 63, 66, 71, 69, 65, 65, 68, 67, 68, 68, 67 "Wind Spd."," (m/s) ", 3.9, 4.2, 4.5, 4.4, 4.4, 4.3, 4.2, 3.8, 3.8, 3.8, 3.8, 3.8, 4.1