Sun Hour Data
Days in the Month 31 30 31 31 30 31 30 31 31 28 31 30
May June July August September October Average November December January February March April Average
Bakersfield 7.380 7.920 7.880 7.320 6.350 5.070 6.987 3.570 2.640 2.840 3.900 5.170 6.440 4.093
Daggett 7.860 8.190 7.860 7.410 6.790 5.700 7.302 4.560 3.850 4.160 5.110 6.120 7.300 5.183
Los Angeles 6.350 6.450 6.970 6.570 5.620 4.760 6.120 3.920 3.320 3.520 4.240 5.250 6.300 4.425
Sacramento 7.260 7.830 7.880 7.200 6.210 4.670 6.842 2.990 2.150 2.360 3.620 4.770 6.190 3.680
San Diego 6.230 6.330 6.740 6.540 5.710 4.980 6.088 4.170 3.700 3.900 4.610 5.340 6.280 4.667
San Francisco 6.730 7.120 7.250 6.650 5.830 4.510 6.348 3.090 2.580 2.800 3.580 4.630 5.950 3.772
Nsol Data Courtesy - National Renewable Energy Laboratory, "Solar Radiation Data Manual for Flat-Plate and Concentrating Solar Collectors",  Document # NREL/TP-463-5607
Standard Southern Orienatation Production:
Peak Hrs 4.1053 4.3432 4.4225 4.0565 3.5563 2.7511 1.8849 1.5738 1.708 2.1838 2.8243 3.6295
Peak Weekly Hours 20.5265 21.716 22.1125 20.2825 17.7815 13.7555 9.4245 7.869 8.54 10.919 14.1215 18.1475
Off Peak Hours 26.5835 28.124 28.6375 26.2675 23.0285 17.8145 12.2055 10.191 11.06 14.141 18.2885 23.5025
% Production in Peak 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714 0.435714
% Production in Off Peak 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286 0.564286