"City: ","PORT ARTHUR " "State: ","TX" "WBAN No: ", 12917 "Lat(N): ", 29.95 "Long(W): ", 94.02 "Elev(m): ", 7 "Pres(mb):", 1017 "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", 2.7, 3.5, 4.3, 5.2, 5.8, 6.3, 6.1, 5.7, 5.0, 4.3, 3.1, 2.6, 4.6 " ","Minimum", 2.3, 2.9, 3.8, 4.3, 4.9, 5.4, 5.2, 5.2, 4.4, 3.5, 2.2, 2.3, 4.4 " ","Maximum", 3.1, 4.1, 5.1, 6.4, 6.9, 6.9, 6.7, 6.2, 5.5, 4.8, 3.7, 3.0, 4.7 "Lat - 15 ","Average", 3.3, 4.1, 4.7, 5.3, 5.8, 6.1, 6.0, 5.8, 5.4, 4.9, 3.8, 3.2, 4.9 " ","Minimum", 2.6, 3.2, 4.0, 4.4, 4.9, 5.3, 5.1, 5.3, 4.7, 4.0, 2.5, 2.7, 4.7 " ","Maximum", 3.9, 4.8, 5.7, 6.7, 6.9, 6.7, 6.6, 6.3, 6.0, 5.6, 4.6, 3.8, 5.1 "Lat ","Average", 3.7, 4.4, 4.9, 5.2, 5.5, 5.7, 5.5, 5.6, 5.5, 5.3, 4.2, 3.6, 4.9 " ","Minimum", 2.8, 3.3, 4.0, 4.3, 4.6, 4.9, 4.8, 5.1, 4.7, 4.2, 2.6, 3.0, 4.7 " ","Maximum", 4.4, 5.3, 6.0, 6.6, 6.5, 6.2, 6.1, 6.1, 6.1, 6.0, 5.3, 4.4, 5.2 "Lat + 15 ","Average", 3.9, 4.5, 4.8, 4.9, 4.9, 4.9, 4.9, 5.2, 5.3, 5.4, 4.4, 3.9, 4.7 " ","Minimum", 2.9, 3.3, 3.9, 4.0, 4.2, 4.3, 4.2, 4.7, 4.6, 4.2, 2.6, 3.1, 4.5 " ","Maximum", 4.7, 5.6, 5.9, 6.2, 5.7, 5.4, 5.3, 5.6, 5.9, 6.1, 5.6, 4.8, 5.0 "90 ","Average", 3.2, 3.4, 3.1, 2.5, 2.0, 1.8, 1.9, 2.4, 3.1, 3.9, 3.6, 3.3, 2.9 " ","Minimum", 2.3, 2.5, 2.5, 2.2, 1.9, 1.7, 1.8, 2.2, 2.8, 2.9, 1.9, 2.6, 2.7 " ","Maximum", 4.0, 4.3, 3.8, 3.0, 2.2, 1.9, 2.0, 2.5, 3.5, 4.5, 4.7, 4.2, 3.0 "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", 3.5, 4.7, 5.6, 6.5, 7.3, 8.0, 7.6, 7.3, 6.5, 5.8, 4.2, 3.4, 5.9 " ","Minimum", 2.8, 3.5, 4.3, 4.9, 5.8, 6.6, 6.4, 6.4, 5.5, 4.5, 2.5, 2.8, 5.5 " ","Maximum", 4.3, 5.8, 7.2, 8.7, 9.1, 8.9, 8.8, 8.3, 7.6, 6.7, 5.3, 4.2, 6.3 "Lat - 15 ","Average", 4.0, 5.1, 5.9, 6.7, 7.3, 7.9, 7.6, 7.4, 6.8, 6.3, 4.7, 3.9, 6.1 " ","Minimum", 3.0, 3.7, 4.5, 5.0, 5.8, 6.5, 6.4, 6.5, 5.7, 4.8, 2.6, 3.1, 5.8 " ","Maximum", 4.9, 6.4, 7.6, 8.9, 9.2, 8.8, 8.7, 8.4, 8.0, 7.3, 6.0, 4.8, 6.5 "Lat ","Average", 4.3, 5.3, 6.0, 6.6, 7.1, 7.5, 7.3, 7.3, 6.9, 6.6, 5.0, 4.2, 6.2 " ","Minimum", 3.2, 3.8, 4.6, 5.0, 5.6, 6.3, 6.2, 6.4, 5.7, 5.0, 2.7, 3.4, 5.8 " ","Maximum", 5.3, 6.8, 7.8, 8.8, 8.9, 8.4, 8.4, 8.2, 8.1, 7.7, 6.5, 5.3, 6.6 "Lat + 15 ","Average", 4.4, 5.4, 5.9, 6.3, 6.7, 7.0, 6.8, 6.9, 6.7, 6.7, 5.2, 4.4, 6.0 " ","Minimum", 3.2, 3.8, 4.5, 4.8, 5.3, 5.8, 5.8, 6.0, 5.6, 5.0, 2.8, 3.5, 5.7 " ","Maximum", 5.6, 6.9, 7.7, 8.5, 8.4, 7.9, 7.9, 7.8, 7.9, 7.7, 6.8, 5.6, 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", 4.5, 5.4, 6.0, 6.7, 7.4, 8.0, 7.7, 7.5, 6.9, 6.7, 5.2, 4.5, 6.4 " ","Minimum", 3.2, 3.9, 4.6, 5.1, 5.8, 6.7, 6.5, 6.5, 5.7, 5.0, 2.8, 3.5, 6.0 " ","Maximum", 5.6, 6.9, 7.8, 8.9, 9.3, 9.0, 8.9, 8.4, 8.1, 7.7, 6.8, 5.7, 6.8 "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, 2.8, 2.8, 2.9, 3.3, 3.7, 3.4, 3.3, 3.2, 3.5, 2.9, 2.5, 3.1 "Hor Axis ","Minimum", 1.3, 1.5, 1.6, 1.7, 1.8, 2.8, 2.5, 2.5, 2.2, 2.3, 0.9, 1.8, 2.8 " ","Maximum", 3.4, 4.1, 4.2, 4.8, 4.9, 4.6, 4.3, 4.1, 4.2, 4.4, 4.3, 3.6, 3.5 "1-X, N-S ","Average", 2.1, 2.9, 3.4, 3.9, 4.4, 4.9, 4.5, 4.4, 4.0, 3.9, 2.7, 2.1, 3.6 "Hor Axis ","Minimum", 1.1, 1.6, 1.9, 2.1, 2.4, 3.6, 3.3, 3.3, 2.7, 2.6, 0.8, 1.4, 3.2 " ","Maximum", 3.0, 4.3, 5.2, 6.3, 6.4, 6.0, 5.7, 5.5, 5.4, 4.9, 3.9, 3.0, 4.1 "1-X, N-S ","Average", 2.7, 3.5, 3.7, 3.9, 4.2, 4.5, 4.3, 4.4, 4.3, 4.5, 3.4, 2.8, 3.8 "Tilt=Lat ","Minimum", 1.5, 1.9, 2.1, 2.2, 2.3, 3.4, 3.1, 3.2, 2.9, 2.9, 1.0, 1.9, 3.4 " ","Maximum", 3.9, 5.1, 5.8, 6.4, 6.2, 5.6, 5.4, 5.5, 5.7, 5.6, 4.9, 3.9, 4.4 "2-X ","Average", 2.9, 3.6, 3.7, 4.0, 4.4, 4.9, 4.6, 4.5, 4.3, 4.6, 3.5, 3.0, 4.0 " ","Minimum", 1.6, 2.0, 2.1, 2.2, 2.5, 3.7, 3.4, 3.3, 2.9, 3.0, 1.1, 2.1, 3.6 " ","Maximum", 4.1, 5.2, 5.8, 6.5, 6.5, 6.1, 5.8, 5.6, 5.7, 5.7, 5.2, 4.3, 4.6 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", 10.5, 12.4, 16.3, 20.5, 24.0, 27.1, 28.2, 28.1, 25.9, 20.9, 16.2, 12.4, 20.2 "Daily Min","(deg C)", 5.3, 6.9, 10.7, 15.3, 19.1, 22.2, 23.2, 22.9, 20.9, 15.1, 10.7, 6.8, 14.9 "Daily Max","(deg C)", 15.7, 17.9, 21.9, 25.7, 28.9, 31.9, 33.3, 33.2, 30.7, 26.8, 21.8, 17.9, 25.5 "Record Lo","(deg C)",-10.0, -6.7, -5.0, 0.0, 7.8, 13.3, 16.1, 15.6, 7.2, 0.0, -5.6,-11.1,-11.1 "Record Hi","(deg C)", 27.2, 29.4, 30.6, 34.4, 36.1, 37.8, 39.4, 41.7, 37.8, 35.0, 31.1, 28.9, 41.7 "HDD,Base="," 18.3C ", 250, 171, 86, 18, 0, 0, 0, 0, 0, 14, 98, 196, 833 "CDD,Base="," 18.3C ", 7, 6, 24, 83, 176, 262, 307, 303, 227, 96, 35, 12, 1536 "Rel Hum ","percent", 79, 77, 76, 77, 79, 79, 81, 80, 79, 77, 78, 79, 78 "Wind Spd."," (m/s) ", 4.6, 4.9, 5.0, 5.1, 4.4, 3.8, 3.2, 3.1, 3.6, 3.8, 4.4, 4.5, 4.2