"City: ","BROWNSVILLE " "State: ","TX" "WBAN No: ", 12919 "Lat(N): ", 25.90 "Long(W): ", 97.43 "Elev(m): ", 6 "Pres(mb):", 1015 "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", 2.9, 3.7, 4.6, 5.3, 5.8, 6.4, 6.5, 6.0, 5.2, 4.5, 3.4, 2.7, 4.8 " ","Minimum", 2.2, 2.8, 3.8, 4.6, 4.5, 5.8, 5.5, 5.4, 3.8, 3.6, 2.8, 2.3, 4.4 " ","Maximum", 3.6, 4.5, 5.6, 6.0, 6.6, 7.0, 7.4, 6.8, 5.9, 5.0, 4.0, 3.4, 5.1 "Lat - 15 ","Average", 3.2, 4.0, 4.8, 5.4, 5.7, 6.2, 6.4, 6.0, 5.4, 4.9, 3.9, 3.1, 4.9 " ","Minimum", 2.4, 3.0, 3.9, 4.6, 4.4, 5.6, 5.4, 5.3, 3.9, 3.7, 3.1, 2.5, 4.5 " ","Maximum", 4.1, 5.0, 6.0, 6.2, 6.5, 6.7, 7.2, 6.8, 6.2, 5.6, 4.7, 4.1, 5.2 "Lat ","Average", 3.6, 4.3, 5.0, 5.3, 5.4, 5.7, 5.9, 5.8, 5.5, 5.3, 4.4, 3.6, 5.0 " ","Minimum", 2.6, 3.2, 4.0, 4.5, 4.2, 5.2, 5.0, 5.1, 3.8, 3.8, 3.4, 2.7, 4.5 " ","Maximum", 4.7, 5.6, 6.3, 6.1, 6.1, 6.2, 6.6, 6.5, 6.4, 6.0, 5.4, 4.7, 5.3 "Lat + 15 ","Average", 3.8, 4.4, 4.9, 5.0, 4.8, 5.0, 5.2, 5.3, 5.3, 5.4, 4.6, 3.8, 4.8 " ","Minimum", 2.7, 3.2, 3.9, 4.2, 3.8, 4.6, 4.5, 4.7, 3.6, 3.8, 3.4, 2.8, 4.2 " ","Maximum", 5.1, 5.8, 6.3, 5.7, 5.4, 5.4, 5.8, 5.9, 6.2, 6.2, 5.7, 5.1, 5.1 "90 ","Average", 3.0, 3.2, 3.0, 2.3, 1.8, 1.6, 1.7, 2.1, 2.9, 3.7, 3.6, 3.1, 2.7 " ","Minimum", 2.1, 2.3, 2.4, 2.1, 1.7, 1.5, 1.5, 1.9, 2.1, 2.5, 2.5, 2.2, 2.3 " ","Maximum", 4.2, 4.3, 3.8, 2.6, 1.9, 1.8, 1.9, 2.3, 3.3, 4.2, 4.6, 4.4, 2.9 "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", 3.6, 4.7, 5.7, 6.5, 7.1, 8.0, 8.3, 7.7, 6.8, 6.0, 4.6, 3.5, 6.1 " ","Minimum", 2.6, 3.3, 4.4, 5.4, 5.0, 7.0, 6.6, 6.8, 4.3, 4.1, 3.4, 2.6, 5.3 " ","Maximum", 4.9, 6.3, 7.6, 7.5, 8.4, 9.1, 9.8, 9.2, 8.2, 6.9, 5.7, 4.7, 6.6 "Lat - 15 ","Average", 3.9, 5.0, 6.0, 6.6, 7.1, 7.9, 8.2, 7.8, 6.9, 6.3, 4.9, 3.8, 6.2 " ","Minimum", 2.7, 3.5, 4.6, 5.4, 5.0, 6.9, 6.6, 6.8, 4.3, 4.3, 3.6, 2.8, 5.4 " ","Maximum", 5.3, 6.7, 7.9, 7.7, 8.3, 9.0, 9.7, 9.2, 8.4, 7.3, 6.2, 5.1, 6.8 "Lat ","Average", 4.2, 5.2, 6.1, 6.6, 6.8, 7.6, 7.9, 7.7, 7.0, 6.6, 5.3, 4.1, 6.3 " ","Minimum", 2.9, 3.6, 4.7, 5.4, 4.8, 6.6, 6.3, 6.7, 4.3, 4.3, 3.8, 3.0, 5.4 " ","Maximum", 5.8, 7.1, 8.1, 7.6, 8.1, 8.6, 9.4, 9.1, 8.5, 7.7, 6.7, 5.7, 6.9 "Lat + 15 ","Average", 4.3, 5.3, 6.0, 6.3, 6.4, 7.1, 7.4, 7.3, 6.9, 6.7, 5.4, 4.3, 6.1 " ","Minimum", 3.0, 3.6, 4.6, 5.2, 4.5, 6.2, 5.9, 6.4, 4.2, 4.3, 3.8, 3.1, 5.2 " ","Maximum", 6.0, 7.2, 8.0, 7.3, 7.6, 8.0, 8.7, 8.6, 8.4, 7.7, 7.0, 6.0, 6.7 "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", 4.4, 5.3, 6.1, 6.6, 7.1, 8.1, 8.4, 7.8, 7.0, 6.7, 5.5, 4.4, 6.5 " ","Minimum", 3.0, 3.7, 4.7, 5.5, 5.0, 7.1, 6.6, 6.8, 4.3, 4.4, 3.8, 3.1, 5.6 " ","Maximum", 6.1, 7.2, 8.1, 7.7, 8.4, 9.2, 9.9, 9.3, 8.5, 7.8, 7.0, 6.1, 7.1 "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", 2.2, 2.6, 2.8, 2.9, 3.1, 3.8, 4.0, 3.6, 3.2, 3.3, 2.9, 2.3, 3.0 "Hor Axis ","Minimum", 1.3, 1.4, 1.9, 1.9, 1.6, 3.0, 2.6, 2.8, 1.0, 1.2, 1.0, 1.2, 2.4 " ","Maximum", 3.5, 4.2, 4.2, 3.8, 4.2, 4.7, 5.5, 4.9, 4.6, 4.2, 4.1, 3.7, 3.6 "1-X, N-S ","Average", 2.0, 2.8, 3.4, 3.7, 4.0, 4.9, 5.2, 4.9, 4.1, 3.8, 2.8, 2.0, 3.6 "Hor Axis ","Minimum", 1.2, 1.5, 2.2, 2.5, 2.1, 3.8, 3.4, 3.8, 1.4, 1.4, 1.0, 1.0, 2.9 " ","Maximum", 3.3, 4.4, 5.2, 5.0, 5.6, 6.2, 7.2, 6.7, 6.0, 4.8, 4.0, 3.2, 4.4 "1-X, N-S ","Average", 2.5, 3.2, 3.6, 3.7, 3.8, 4.5, 4.9, 4.8, 4.3, 4.3, 3.4, 2.5, 3.8 "Tilt=Lat ","Minimum", 1.5, 1.8, 2.4, 2.5, 2.0, 3.6, 3.2, 3.7, 1.4, 1.6, 1.3, 1.3, 2.9 " ","Maximum", 4.0, 5.2, 5.6, 5.0, 5.3, 5.8, 6.8, 6.6, 6.3, 5.4, 4.8, 4.0, 4.5 "2-X ","Average", 2.6, 3.3, 3.6, 3.8, 4.0, 4.9, 5.3, 4.9, 4.3, 4.4, 3.5, 2.7, 4.0 " ","Minimum", 1.6, 1.8, 2.4, 2.5, 2.1, 3.9, 3.4, 3.8, 1.5, 1.6, 1.3, 1.4, 3.0 " ","Maximum", 4.3, 5.3, 5.6, 5.1, 5.7, 6.3, 7.3, 6.8, 6.3, 5.5, 5.1, 4.4, 4.7 "AVERAGE CLIMATIC CONDITIONS" "Element "," ","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","Year" "Temp. ","(deg C)", 15.2, 16.9, 20.4, 24.1, 26.6, 28.3, 29.2, 29.2, 27.7, 24.3, 20.4, 16.7, 23.2 "Daily Min","(deg C)", 9.9, 11.4, 15.1, 19.2, 22.2, 23.8, 24.3, 24.1, 22.9, 18.9, 15.0, 11.3, 18.2 "Daily Max","(deg C)", 20.5, 22.3, 25.8, 28.9, 31.0, 32.8, 34.1, 34.2, 32.4, 29.6, 25.7, 22.1, 28.3 "Record Lo","(deg C)", -7.2, -5.6, 0.0, 3.3, 11.1, 15.6, 20.0, 17.2, 12.8, 4.4, 0.6, -8.9, -8.9 "Record Hi","(deg C)", 33.9, 34.4, 41.1, 38.9, 38.9, 38.9, 38.9, 38.9, 40.0, 35.6, 36.1, 34.4, 41.1 "HDD,Base="," 18.3C ", 129, 75, 23, 0, 0, 0, 0, 0, 0, 0, 28, 98, 353 "CDD,Base="," 18.3C ", 33, 34, 88, 173, 257, 300, 336, 336, 280, 184, 89, 48, 2160 "Rel Hum ","percent", 79, 77, 75, 75, 77, 75, 73, 74, 76, 75, 76, 78, 76 "Wind Spd."," (m/s) ", 4.7, 5.3, 5.9, 6.0, 5.7, 5.1, 5.0, 4.6, 4.2, 4.1, 4.7, 4.8, 5.0