"City: ","CHATTANOOGA " "State: ","TN" "WBAN No: ", 13882 "Lat(N): ", 35.03 "Long(W): ", 85.20 "Elev(m): ", 210 "Pres(mb):", 994 "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", 2.4, 3.1, 4.1, 5.3, 5.8, 6.1, 5.9, 5.5, 4.5, 3.8, 2.6, 2.1, 4.3 " ","Minimum", 2.0, 2.8, 3.4, 4.4, 5.2, 5.1, 4.9, 4.7, 3.8, 3.2, 2.1, 1.9, 4.0 " ","Maximum", 2.8, 3.9, 4.9, 6.0, 7.1, 7.2, 6.7, 6.2, 5.2, 4.6, 3.0, 2.5, 4.6 "Lat - 15 ","Average", 3.1, 3.8, 4.6, 5.6, 5.8, 6.0, 5.8, 5.7, 5.0, 4.6, 3.4, 2.8, 4.7 " ","Minimum", 2.4, 3.3, 3.7, 4.6, 5.2, 4.9, 4.8, 4.8, 4.1, 3.7, 2.5, 2.3, 4.4 " ","Maximum", 3.9, 5.1, 5.7, 6.5, 7.1, 7.0, 6.6, 6.5, 5.8, 5.7, 4.2, 3.6, 5.1 "Lat ","Average", 3.5, 4.1, 4.8, 5.4, 5.4, 5.5, 5.4, 5.5, 5.0, 4.9, 3.8, 3.2, 4.7 " ","Minimum", 2.6, 3.4, 3.7, 4.5, 4.9, 4.6, 4.5, 4.6, 4.1, 3.9, 2.7, 2.5, 4.4 " ","Maximum", 4.5, 5.7, 6.0, 6.4, 6.7, 6.5, 6.2, 6.3, 5.9, 6.2, 4.7, 4.2, 5.2 "Lat + 15 ","Average", 3.7, 4.2, 4.6, 5.1, 4.9, 4.8, 4.7, 5.0, 4.8, 4.9, 4.0, 3.4, 4.5 " ","Minimum", 2.6, 3.5, 3.6, 4.2, 4.4, 4.0, 3.9, 4.2, 3.9, 3.9, 2.8, 2.6, 4.2 " ","Maximum", 4.9, 5.9, 5.9, 5.9, 5.9, 5.6, 5.4, 5.7, 5.6, 6.3, 5.0, 4.6, 5.0 "90 ","Average", 3.2, 3.4, 3.2, 2.9, 2.4, 2.2, 2.2, 2.7, 3.1, 3.8, 3.4, 3.0, 3.0 " ","Minimum", 2.2, 2.8, 2.5, 2.5, 2.2, 1.9, 2.0, 2.3, 2.6, 2.9, 2.3, 2.2, 2.7 " ","Maximum", 4.4, 4.9, 4.1, 3.4, 2.7, 2.3, 2.4, 3.0, 3.7, 4.9, 4.4, 4.2, 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", 3.2, 4.2, 5.3, 6.8, 7.3, 7.6, 7.2, 6.9, 5.8, 5.1, 3.5, 2.8, 5.5 " ","Minimum", 2.4, 3.4, 4.1, 5.4, 6.3, 6.1, 5.8, 5.7, 4.5, 3.9, 2.5, 2.2, 5.1 " ","Maximum", 4.1, 5.7, 7.0, 8.3, 9.5, 9.4, 8.8, 8.1, 6.9, 6.6, 4.4, 3.7, 6.2 "Lat - 15 ","Average", 3.8, 4.7, 5.7, 7.1, 7.3, 7.6, 7.2, 7.1, 6.2, 5.7, 4.1, 3.4, 5.8 " ","Minimum", 2.7, 3.8, 4.3, 5.5, 6.4, 6.1, 5.8, 5.8, 4.7, 4.3, 2.8, 2.6, 5.4 " ","Maximum", 4.9, 6.6, 7.6, 8.6, 9.6, 9.3, 8.8, 8.4, 7.3, 7.4, 5.3, 4.5, 6.6 "Lat ","Average", 4.1, 4.9, 5.9, 7.0, 7.1, 7.2, 6.9, 6.9, 6.2, 5.9, 4.4, 3.7, 5.9 " ","Minimum", 2.8, 4.0, 4.4, 5.5, 6.2, 5.8, 5.6, 5.6, 4.7, 4.4, 3.0, 2.7, 5.4 " ","Maximum", 5.4, 7.1, 7.8, 8.6, 9.3, 8.9, 8.4, 8.2, 7.4, 7.8, 5.7, 5.0, 6.6 "Lat + 15 ","Average", 4.2, 5.0, 5.8, 6.7, 6.6, 6.7, 6.5, 6.6, 6.0, 6.0, 4.6, 3.9, 5.7 " ","Minimum", 2.9, 4.0, 4.3, 5.2, 5.8, 5.4, 5.2, 5.3, 4.6, 4.4, 3.0, 2.8, 5.3 " ","Maximum", 5.7, 7.3, 7.7, 8.3, 8.7, 8.3, 7.9, 7.8, 7.3, 7.9, 5.9, 5.3, 6.5 "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", 4.3, 5.0, 5.9, 7.1, 7.4, 7.7, 7.3, 7.1, 6.2, 6.0, 4.6, 3.9, 6.0 " ","Minimum", 2.9, 4.0, 4.4, 5.6, 6.4, 6.2, 5.9, 5.8, 4.7, 4.5, 3.0, 2.8, 5.6 " ","Maximum", 5.7, 7.3, 7.8, 8.7, 9.7, 9.5, 8.9, 8.4, 7.4, 7.9, 6.0, 5.4, 6.9 "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", 2.4, 2.6, 2.7, 3.3, 3.3, 3.4, 3.1, 3.1, 2.8, 3.2, 2.6, 2.2, 2.9 "Hor Axis ","Minimum", 1.3, 1.7, 1.5, 1.9, 2.6, 2.3, 1.9, 2.1, 1.6, 1.9, 1.3, 1.3, 2.5 " ","Maximum", 3.7, 4.6, 4.2, 4.4, 5.1, 5.0, 4.4, 4.2, 3.8, 4.7, 3.8, 3.6, 3.6 "1-X, N-S ","Average", 1.9, 2.5, 3.2, 4.2, 4.3, 4.4, 4.1, 4.0, 3.4, 3.3, 2.2, 1.7, 3.3 "Hor Axis ","Minimum", 1.0, 1.6, 1.7, 2.5, 3.4, 3.0, 2.5, 2.8, 1.9, 1.9, 1.1, 0.9, 2.8 " ","Maximum", 2.9, 4.4, 5.1, 5.9, 6.8, 6.5, 5.8, 5.4, 4.5, 4.9, 3.2, 2.7, 4.1 "1-X, N-S ","Average", 2.6, 3.2, 3.6, 4.4, 4.1, 4.1, 3.8, 4.0, 3.7, 4.0, 2.9, 2.4, 3.6 "Tilt=Lat ","Minimum", 1.4, 2.0, 1.9, 2.6, 3.3, 2.8, 2.4, 2.8, 2.1, 2.3, 1.4, 1.4, 3.0 " ","Maximum", 4.0, 5.6, 5.8, 6.1, 6.5, 6.1, 5.5, 5.4, 5.0, 5.9, 4.3, 3.9, 4.5 "2-X ","Average", 2.8, 3.3, 3.7, 4.5, 4.4, 4.5, 4.1, 4.1, 3.7, 4.0, 3.1, 2.6, 3.7 " ","Minimum", 1.5, 2.1, 1.9, 2.7, 3.5, 3.0, 2.6, 2.8, 2.1, 2.3, 1.5, 1.5, 3.2 " ","Maximum", 4.3, 5.8, 5.8, 6.2, 6.9, 6.6, 5.9, 5.6, 5.0, 6.0, 4.5, 4.2, 4.7 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", 3.0, 5.4, 10.2, 15.1, 19.4, 24.0, 25.9, 25.5, 22.4, 15.8, 10.3, 5.1, 15.2 "Daily Min","(deg C)", -2.2, -0.5, 3.9, 8.2, 13.0, 17.7, 20.2, 19.8, 17.0, 9.4, 4.4, -0.4, 9.2 "Daily Max","(deg C)", 8.2, 11.3, 16.6, 21.9, 25.8, 30.2, 31.7, 31.2, 27.8, 22.2, 16.2, 10.4, 21.1 "Record Lo","(deg C)",-23.3,-17.2,-13.3, -3.3, 1.1, 5.0, 10.6, 10.0, 2.2, -5.6,-15.6,-18.9,-23.3 "Record Hi","(deg C)", 25.6, 26.1, 30.6, 33.9, 37.2, 40.0, 41.1, 40.6, 38.9, 34.4, 28.9, 25.6, 41.1 "HDD,Base="," 18.3C ", 476, 361, 252, 109, 32, 0, 0, 0, 5, 106, 242, 412, 1993 "CDD,Base="," 18.3C ", 0, 0, 0, 11, 64, 170, 236, 222, 128, 26, 0, 0, 858 "Rel Hum ","percent", 71, 68, 66, 64, 71, 73, 75, 76, 77, 75, 73, 73, 72 "Wind Spd."," (m/s) ", 3.0, 3.2, 3.4, 3.2, 2.6, 2.3, 2.2, 2.1, 2.2, 2.2, 2.6, 2.9, 2.7