"City: ","WILMINGTON " "State: ","DE" "WBAN No: ", 13781 "Lat(N): ", 39.67 "Long(W): ", 75.60 "Elev(m): ", 24 "Pres(mb):", 1015 "Stn Type:","Secondary" "SOLAR RADIATION FOR FLAT-PLATE COLLECTORS FACING SOUTH AT A FIXED-TILT (kWh/m2/day), Percentage Uncertainty = 11" "Tilt(deg)"," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "0 ","Average", 2.0, 2.9, 3.9, 4.9, 5.6, 6.2, 6.1, 5.4, 4.4, 3.3, 2.2, 1.7, 4.1 " ","Minimum", 1.7, 2.4, 3.4, 4.2, 5.1, 5.5, 5.3, 5.0, 3.9, 2.8, 1.8, 1.5, 3.8 " ","Maximum", 2.3, 3.5, 4.4, 5.7, 6.6, 6.9, 6.8, 6.0, 4.9, 3.8, 2.6, 2.0, 4.2 "Lat - 15 ","Average", 3.0, 3.8, 4.6, 5.3, 5.7, 6.1, 6.0, 5.8, 5.0, 4.3, 3.1, 2.6, 4.6 " ","Minimum", 2.4, 2.9, 3.9, 4.4, 5.1, 5.4, 5.2, 5.2, 4.3, 3.5, 2.3, 2.0, 4.3 " ","Maximum", 3.6, 4.8, 5.4, 6.3, 6.7, 6.7, 6.8, 6.4, 5.8, 5.1, 3.9, 3.1, 4.9 "Lat ","Average", 3.4, 4.2, 4.8, 5.2, 5.4, 5.6, 5.6, 5.5, 5.1, 4.5, 3.5, 3.0, 4.6 " ","Minimum", 2.6, 3.1, 4.0, 4.3, 4.8, 5.0, 4.8, 5.0, 4.3, 3.6, 2.4, 2.2, 4.3 " ","Maximum", 4.1, 5.4, 5.7, 6.2, 6.3, 6.2, 6.3, 6.2, 6.0, 5.4, 4.5, 3.5, 4.9 "Lat + 15 ","Average", 3.6, 4.3, 4.7, 4.8, 4.7, 4.9, 4.9, 5.0, 4.9, 4.6, 3.6, 3.2, 4.4 " ","Minimum", 2.8, 3.2, 3.8, 3.9, 4.2, 4.3, 4.2, 4.6, 4.1, 3.6, 2.5, 2.2, 4.1 " ","Maximum", 4.4, 5.7, 5.6, 5.7, 5.6, 5.3, 5.5, 5.6, 5.8, 5.5, 4.8, 3.8, 4.7 "90 ","Average", 3.4, 3.7, 3.5, 3.0, 2.6, 2.5, 2.6, 3.0, 3.4, 3.7, 3.2, 3.0, 3.1 " ","Minimum", 2.4, 2.7, 2.8, 2.5, 2.4, 2.3, 2.4, 2.8, 2.8, 2.8, 2.1, 2.0, 2.9 " ","Maximum", 4.2, 5.2, 4.2, 3.6, 3.0, 2.6, 2.8, 3.3, 4.1, 4.4, 4.3, 3.7, 3.3 "SOLAR RADIATION FOR 1-AXIS TRACKING FLAT-PLATE COLLECTORS WITH A NORTH-SOUTH AXIS (kWh/m2/day), Percentage Uncertainty = 11" "Axis Tilt"," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "0 ","Average", 2.9, 4.0, 5.3, 6.4, 7.1, 7.8, 7.7, 7.0, 5.8, 4.6, 3.0, 2.5, 5.3 " ","Minimum", 2.3, 3.0, 4.2, 5.1, 6.2, 6.5, 6.2, 6.2, 4.9, 3.6, 2.2, 1.9, 5.0 " ","Maximum", 3.5, 5.3, 6.3, 8.0, 8.7, 9.1, 8.7, 8.0, 6.8, 5.6, 3.9, 2.9, 5.7 "Lat - 15 ","Average", 3.6, 4.7, 5.9, 6.7, 7.2, 7.8, 7.7, 7.3, 6.3, 5.3, 3.7, 3.1, 5.8 " ","Minimum", 2.7, 3.5, 4.7, 5.3, 6.2, 6.5, 6.2, 6.5, 5.3, 4.1, 2.5, 2.2, 5.4 " ","Maximum", 4.5, 6.3, 7.1, 8.5, 8.8, 9.1, 8.8, 8.4, 7.6, 6.6, 4.9, 3.7, 6.2 "Lat ","Average", 4.0, 5.0, 6.0, 6.7, 7.0, 7.5, 7.4, 7.2, 6.3, 5.5, 4.0, 3.4, 5.8 " ","Minimum", 3.0, 3.6, 4.7, 5.2, 6.0, 6.2, 6.0, 6.3, 5.3, 4.2, 2.7, 2.4, 5.4 " ","Maximum", 4.9, 6.7, 7.3, 8.4, 8.6, 8.7, 8.5, 8.2, 7.7, 6.8, 5.3, 4.1, 6.3 "Lat + 15 ","Average", 4.1, 5.1, 5.9, 6.4, 6.6, 7.0, 6.9, 6.8, 6.2, 5.5, 4.1, 3.6, 5.7 " ","Minimum", 3.1, 3.6, 4.6, 4.9, 5.6, 5.8, 5.6, 6.0, 5.1, 4.2, 2.7, 2.4, 5.2 " ","Maximum", 5.2, 6.9, 7.2, 8.1, 8.1, 8.1, 7.9, 7.8, 7.5, 6.9, 5.6, 4.3, 6.1 "SOLAR RADIATION FOR 2-AXIS TRACKING FLAT-PLATE COLLECTORS (kWh/m2/day), Percentage Uncertainty = 11" "Tracker "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "2-Axis ","Average", 4.2, 5.1, 6.0, 6.8, 7.3, 8.0, 7.8, 7.3, 6.4, 5.6, 4.2, 3.6, 6.0 " ","Minimum", 3.1, 3.7, 4.7, 5.3, 6.3, 6.7, 6.3, 6.5, 5.3, 4.2, 2.8, 2.5, 5.6 " ","Maximum", 5.2, 6.9, 7.3, 8.5, 8.9, 9.3, 8.9, 8.4, 7.7, 6.9, 5.6, 4.4, 6.5 "DIRECT BEAM SOLAR RADIATION FOR CONCENTRATING COLLECTORS (kWh/m2/day), Percentage Uncertainty = 11" "Tracker "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "1-X, E-W ","Average", 2.4, 2.7, 2.9, 3.0, 3.2, 3.6, 3.5, 3.3, 3.0, 2.9, 2.3, 2.1, 2.9 "Hor Axis ","Minimum", 1.5, 1.5, 1.9, 1.7, 2.4, 2.6, 2.3, 2.7, 2.1, 1.9, 1.2, 1.1, 2.6 " ","Maximum", 3.3, 3.8, 4.0, 4.2, 4.4, 4.7, 4.4, 4.2, 4.0, 4.1, 3.6, 2.8, 3.3 "1-X, N-S ","Average", 1.8, 2.5, 3.3, 3.9, 4.2, 4.7, 4.6, 4.2, 3.5, 2.9, 1.8, 1.4, 3.2 "Hor Axis ","Minimum", 1.1, 1.4, 2.1, 2.3, 3.2, 3.3, 3.0, 3.4, 2.5, 1.9, 1.0, 0.8, 2.8 " ","Maximum", 2.4, 3.5, 4.5, 5.6, 5.8, 6.2, 5.7, 5.3, 4.7, 4.1, 2.8, 1.9, 3.7 "1-X, N-S ","Average", 2.6, 3.3, 3.9, 4.1, 4.1, 4.4, 4.4, 4.3, 4.0, 3.7, 2.6, 2.2, 3.6 "Tilt=Lat ","Minimum", 1.7, 1.8, 2.5, 2.4, 3.1, 3.1, 2.8, 3.5, 2.8, 2.3, 1.4, 1.2, 3.2 " ","Maximum", 3.6, 4.6, 5.3, 5.8, 5.7, 5.8, 5.4, 5.5, 5.3, 5.1, 4.1, 3.0, 4.1 "2-X ","Average", 2.8, 3.4, 3.9, 4.2, 4.3, 4.8, 4.7, 4.5, 4.0, 3.7, 2.8, 2.4, 3.8 " ","Minimum", 1.8, 1.9, 2.5, 2.4, 3.3, 3.4, 3.0, 3.6, 2.8, 2.4, 1.5, 1.3, 3.3 " ","Maximum", 3.8, 4.8, 5.3, 5.9, 6.0, 6.3, 5.8, 5.6, 5.3, 5.2, 4.3, 3.2, 4.3 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", -0.8, 0.8, 5.9, 11.2, 16.9, 21.9, 24.7, 23.9, 20.0, 13.4, 7.9, 2.1, 12.3 "Daily Min","(deg C)", -5.3, -4.0, 0.6, 5.4, 11.2, 16.4, 19.5, 18.8, 14.6, 7.6, 2.8, -2.4, 7.1 "Daily Max","(deg C)", 3.7, 5.5, 11.2, 17.0, 22.7, 27.4, 29.8, 28.9, 25.4, 19.2, 13.1, 6.6, 17.6 "Record Lo","(deg C)",-25.6,-21.1,-16.7, -7.8, -1.1, 5.0, 8.9, 6.1, 2.2, -4.4,-10.0,-21.7,-25.6 "Record Hi","(deg C)", 23.9, 25.6, 30.0, 34.4, 35.0, 37.2, 38.9, 38.3, 37.8, 32.8, 29.4, 23.3, 38.9 "HDD,Base="," 18.3C ", 592, 492, 384, 213, 68, 0, 0, 0, 19, 160, 312, 503, 2743 "CDD,Base="," 18.3C ", 0, 0, 0, 0, 24, 111, 196, 172, 69, 8, 0, 0, 581 "Rel Hum ","percent", 68, 65, 62, 62, 67, 69, 70, 72, 72, 71, 69, 69, 68 "Wind Spd."," (m/s) ", 4.5, 4.6, 5.1, 4.9, 4.2, 3.8, 3.5, 3.4, 3.6, 3.7, 4.2, 4.3, 4.2