"City: ","CHARLESTON " "State: ","WV" "WBAN No: ", 13866 "Lat(N): ", 38.37 "Long(W): ", 81.60 "Elev(m): ", 290 "Pres(mb):", 983 "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", 2.0, 2.7, 3.7, 4.8, 5.6, 6.0, 5.8, 5.3, 4.3, 3.3, 2.1, 1.7, 3.9 " ","Minimum", 1.7, 2.2, 3.1, 3.7, 4.8, 5.3, 4.7, 4.7, 3.8, 2.8, 1.7, 1.5, 3.5 " ","Maximum", 2.3, 3.3, 4.2, 5.9, 6.4, 6.9, 6.6, 5.8, 5.2, 4.0, 2.6, 2.0, 4.3 "Lat - 15 ","Average", 2.7, 3.3, 4.3, 5.1, 5.6, 5.9, 5.7, 5.5, 4.9, 4.1, 2.9, 2.3, 4.4 " ","Minimum", 2.1, 2.6, 3.4, 3.8, 4.8, 5.2, 4.6, 4.8, 4.2, 3.4, 2.0, 1.8, 3.9 " ","Maximum", 3.3, 4.4, 5.0, 6.4, 6.5, 6.8, 6.6, 6.2, 6.1, 5.2, 3.8, 3.0, 4.8 "Lat ","Average", 2.9, 3.6, 4.4, 5.0, 5.3, 5.4, 5.3, 5.3, 4.9, 4.4, 3.1, 2.6, 4.4 " ","Minimum", 2.3, 2.7, 3.4, 3.6, 4.5, 4.8, 4.3, 4.6, 4.2, 3.5, 2.1, 1.9, 3.8 " ","Maximum", 3.8, 4.8, 5.2, 6.3, 6.1, 6.2, 6.1, 6.0, 6.2, 5.6, 4.3, 3.4, 4.9 "Lat + 15 ","Average", 3.1, 3.7, 4.3, 4.6, 4.7, 4.7, 4.7, 4.9, 4.7, 4.4, 3.3, 2.7, 4.1 " ","Minimum", 2.3, 2.7, 3.3, 3.3, 4.0, 4.2, 3.8, 4.2, 3.9, 3.5, 2.1, 1.9, 3.6 " ","Maximum", 4.0, 5.0, 5.1, 5.9, 5.4, 5.3, 5.4, 5.4, 6.0, 5.7, 4.6, 3.7, 4.6 "90 ","Average", 2.8, 3.1, 3.2, 2.9, 2.5, 2.4, 2.4, 2.8, 3.2, 3.5, 2.8, 2.5, 2.8 " ","Minimum", 2.0, 2.2, 2.4, 2.1, 2.2, 2.2, 2.1, 2.5, 2.6, 2.7, 1.7, 1.7, 2.5 " ","Maximum", 3.7, 4.3, 3.7, 3.6, 2.8, 2.5, 2.7, 3.1, 4.1, 4.5, 4.1, 3.4, 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", 2.6, 3.5, 4.8, 6.1, 7.1, 7.5, 7.2, 6.7, 5.6, 4.4, 2.8, 2.2, 5.0 " ","Minimum", 2.0, 2.6, 3.7, 4.2, 5.7, 6.3, 5.5, 5.6, 4.6, 3.4, 1.9, 1.7, 4.3 " ","Maximum", 3.3, 4.7, 5.8, 8.2, 8.5, 9.3, 8.4, 7.7, 7.4, 5.7, 3.8, 2.8, 5.6 "Lat - 15 ","Average", 3.1, 4.0, 5.3, 6.4, 7.1, 7.5, 7.2, 6.9, 6.0, 5.1, 3.4, 2.7, 5.4 " ","Minimum", 2.3, 2.9, 3.9, 4.2, 5.8, 6.2, 5.4, 5.7, 4.9, 3.9, 2.1, 1.9, 4.6 " ","Maximum", 4.1, 5.6, 6.4, 8.7, 8.6, 9.2, 8.5, 8.0, 8.1, 6.6, 4.7, 3.6, 6.1 "Lat ","Average", 3.3, 4.2, 5.3, 6.3, 6.9, 7.2, 6.9, 6.7, 6.1, 5.3, 3.6, 2.9, 5.4 " ","Minimum", 2.4, 3.0, 3.9, 4.1, 5.6, 6.0, 5.2, 5.6, 4.9, 4.0, 2.2, 2.0, 4.6 " ","Maximum", 4.4, 5.9, 6.6, 8.6, 8.3, 8.9, 8.2, 7.8, 8.2, 6.9, 5.1, 3.9, 6.1 "Lat + 15 ","Average", 3.5, 4.2, 5.3, 6.0, 6.5, 6.7, 6.5, 6.4, 5.9, 5.3, 3.7, 3.0, 5.2 " ","Minimum", 2.5, 3.0, 3.8, 3.9, 5.2, 5.5, 4.9, 5.3, 4.7, 4.0, 2.2, 2.1, 4.5 " ","Maximum", 4.6, 6.0, 6.5, 8.3, 7.8, 8.3, 7.6, 7.4, 8.0, 7.0, 5.3, 4.2, 6.0 "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", 3.5, 4.3, 5.4, 6.4, 7.2, 7.6, 7.3, 6.9, 6.1, 5.3, 3.7, 3.0, 5.6 " ","Minimum", 2.5, 3.0, 4.0, 4.3, 5.8, 6.4, 5.6, 5.7, 4.9, 4.1, 2.2, 2.1, 4.7 " ","Maximum", 4.7, 6.0, 6.6, 8.7, 8.7, 9.4, 8.6, 8.0, 8.2, 7.0, 5.4, 4.2, 6.3 "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", 1.7, 1.9, 2.4, 2.7, 3.1, 3.3, 3.1, 3.0, 2.7, 2.7, 1.9, 1.6, 2.5 "Hor Axis ","Minimum", 0.9, 1.0, 1.2, 1.0, 2.0, 2.5, 1.8, 2.0, 1.8, 1.8, 0.8, 0.7, 1.9 " ","Maximum", 2.8, 3.4, 3.3, 4.5, 4.3, 4.7, 4.2, 3.8, 4.3, 4.1, 3.3, 2.7, 3.1 "1-X, N-S ","Average", 1.3, 1.8, 2.7, 3.5, 4.1, 4.3, 4.0, 3.8, 3.3, 2.7, 1.5, 1.1, 2.9 "Hor Axis ","Minimum", 0.6, 0.9, 1.4, 1.3, 2.6, 3.2, 2.4, 2.5, 2.2, 1.8, 0.6, 0.5, 2.2 " ","Maximum", 2.1, 3.1, 4.0, 5.9, 5.7, 6.3, 5.4, 5.0, 5.3, 4.0, 2.6, 1.9, 3.5 "1-X, N-S ","Average", 1.9, 2.3, 3.1, 3.7, 4.0, 4.1, 3.8, 3.9, 3.7, 3.4, 2.2, 1.7, 3.2 "Tilt=Lat ","Minimum", 0.9, 1.2, 1.6, 1.4, 2.5, 3.0, 2.3, 2.6, 2.4, 2.2, 0.9, 0.8, 2.4 " ","Maximum", 3.1, 4.1, 4.6, 6.2, 5.5, 5.9, 5.1, 5.1, 5.9, 5.1, 3.8, 2.8, 3.9 "2-X ","Average", 2.0, 2.4, 3.1, 3.8, 4.2, 4.4, 4.1, 4.0, 3.7, 3.5, 2.3, 1.8, 3.3 " ","Minimum", 1.0, 1.2, 1.6, 1.4, 2.7, 3.2, 2.4, 2.7, 2.4, 2.3, 0.9, 0.8, 2.5 " ","Maximum", 3.3, 4.2, 4.6, 6.3, 5.8, 6.5, 5.5, 5.3, 5.9, 5.1, 4.0, 3.1, 4.1 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", 0.1, 1.9, 7.7, 12.7, 17.5, 21.9, 23.9, 23.3, 19.8, 13.4, 8.2, 2.8, 12.8 "Daily Min","(deg C)", -5.0, -3.5, 1.7, 6.0, 10.8, 15.4, 18.0, 17.4, 13.6, 6.8, 2.4, -2.2, 6.8 "Daily Max","(deg C)", 5.1, 7.4, 13.7, 19.3, 24.2, 28.4, 29.8, 29.1, 26.0, 20.1, 14.1, 7.8, 18.8 "Record Lo","(deg C)",-26.1,-21.1,-17.8, -7.2, -3.3, 0.6, 7.8, 5.0, 1.1, -8.3,-14.4,-24.4,-26.1 "Record Hi","(deg C)", 26.1, 25.6, 31.7, 34.4, 33.9, 36.7, 40.0, 38.3, 38.9, 33.3, 29.4, 26.7, 40.0 "HDD,Base="," 18.3C ", 567, 459, 329, 173, 72, 6, 0, 0, 24, 166, 303, 482, 2581 "CDD,Base="," 18.3C ", 0, 0, 0, 3, 46, 112, 174, 153, 69, 14, 0, 0, 573 "Rel Hum ","percent", 69, 67, 61, 59, 67, 72, 76, 77, 77, 72, 69, 70, 70 "Wind Spd."," (m/s) ", 3.2, 3.1, 3.4, 3.3, 2.6, 2.3, 2.2, 2.0, 2.1, 2.2, 2.7, 3.0, 2.7