Boise, ID. Diffuse Values Boise, ID. Hourly Average Diffuse Values For 1994 to 2006 Latitude: 43.62 degrees Longitude: 116.21 degrees Altitude: 701 meters Mon\Hr 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Total Jan 0 0 0 0 0 10 46 86 117 134 132 114 83 43 7 0 0 0 772 Feb 0 0 0 0 2 29 69 107 132 146 148 136 110 71 30 2 0 0 983 Mar 0 0 0 1 24 69 112 146 172 185 187 175 149 107 63 18 0 0 1410 Apr 0 0 0 21 63 102 136 169 194 207 204 192 166 130 91 46 7 0 1729 May 0 0 10 53 88 120 150 178 190 197 199 193 173 140 107 68 27 1 1897 Jun 0 0 17 60 90 116 142 165 166 172 168 164 154 133 106 74 41 6 1773 Jul 0 0 10 48 70 83 97 108 118 119 123 127 129 122 104 74 41 5 1377 Aug 0 0 1 29 59 80 95 105 115 122 119 111 103 92 76 51 17 0 1176 Sep 0 0 0 8 40 68 89 103 116 124 123 119 105 87 57 20 1 0 1060 Oct 0 0 0 1 18 49 75 93 107 116 113 98 77 51 21 1 0 0 820 Nov 0 0 0 0 3 29 64 92 114 122 117 100 69 32 3 0 0 0 744 Dec 0 0 0 0 0 10 42 71 93 107 103 84 56 23 1 0 0 0 591 Values in Watt hours/meter^2 per hour Boise, ID. Daily Average Diffuse Values For 1994 to 2006 Latitude: 43.62 degrees Longitude: 116.21 degrees Altitude: 701 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1994 ---- ---- ---- ---- ---- 3.16 2.12 1.56 2.16 0.91 0.79 0.73 ---- 1995 0.70 0.98 1.47 1.78 2.20 1.98 1.45 1.05 0.99 0.87 0.81 0.53 1.23 1996 0.77 0.99 1.43 1.66 2.00 1.50 1.22 1.17 1.10 0.83 0.70 0.56 1.16 1997 0.64 1.01 1.35 1.69 1.79 1.78 1.34 1.10 0.97 0.87 0.68 0.53 1.14 1998 0.73 0.98 1.37 1.85 1.95 1.65 1.37* 0.93 1.07 0.77 0.81 0.64 1.18 1999 0.72 1.08 1.50 1.63 1.67 1.80 1.17 1.38 0.66 0.61 0.67 0.48 1.11 2000 0.79 1.05 1.24 1.65 2.03 1.37 1.48 1.03 1.12 0.82 0.83 0.65 1.17 2001 0.90 1.22 1.54 1.85 1.63 1.81 1.58 1.19 0.88 0.92 0.72* 0.70 1.24 2002 0.81 0.93 1.44 1.59 2.12 1.70 1.43 1.28 0.96 0.71 0.68 0.58 1.19 2003 0.70 0.91 1.31 1.82 1.86 1.58 1.47* 1.24 1.23 0.83 0.76 0.66 1.20 2004 0.94 0.95 1.36 1.63 2.07 1.47 1.38 1.26 0.94 0.83 0.68 0.60 1.17 2005 0.81 0.81 1.24 1.83 1.92 1.73 1.05 1.07 0.87 0.89 0.69 0.52 1.12 2006 0.77 0.91 1.67 1.79 1.61 1.71 1.11 1.08 0.91 0.78 0.83 0.49 1.14 Average 0.77 0.98 1.41 1.73 1.90 1.79 1.40 1.18 1.07 0.82 0.74 0.59 1.20 % SD 11 11 9 6 10 25 19 14 34 11 9 14 4 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.