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 45 85 115 136 133 114 85 44 7 0 0 0 774 Feb 0 0 0 0 2 30 73 115 144 161 170 157 124 76 30 2 0 0 1084 Mar 0 0 0 1 25 71 119 155 180 200 199 192 164 117 68 19 0 0 1510 Apr 0 0 0 21 63 103 140 177 204 219 225 214 184 144 100 49 6 0 1848 May 0 0 9 48 91 129 165 201 213 222 223 220 190 153 113 67 24 1 2070 Jun 0 0 15 48 80 106 134 160 168 178 178 169 157 127 100 69 33 5 1726 Jul 0 0 9 37 63 81 96 109 120 114 109 103 105 96 78 57 30 4 1211 Aug 0 0 1 24 53 79 97 111 122 125 113 101 96 83 67 44 14 0 1131 Sep 0 0 0 8 39 67 92 105 114 121 122 116 101 80 52 19 1 0 1036 Oct 0 0 0 0 18 49 75 95 111 121 123 109 86 53 21 1 0 0 864 Nov 0 0 0 0 3 29 66 98 120 135 129 107 72 33 3 0 0 0 794 Dec 0 0 0 0 0 11 44 76 100 110 104 85 57 23 1 0 0 0 609 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 ---- ---- ---- ---- ---- 1.71 1.30 1.31 1.17 0.98 0.81 0.80 ---- 1995 0.73 1.01 1.49 1.93 2.20 2.10 1.24 1.02 1.06 0.95 0.86 0.55 1.26 1996 0.80 1.06 1.57 1.80 2.13 1.52 1.19 1.16 1.17 0.88 0.73 0.58 1.22 1997 0.69 1.15 1.44 1.80 1.88 2.41* 1.32 1.09 1.00 0.92 0.72 0.55 1.25 1998 0.75 1.02 1.47 2.13 2.09 1.57 1.05 0.90 1.05 0.81 0.96 0.71 1.21 1999 0.88 1.19 1.79 1.77 1.84 1.83 1.08 1.45 0.67 0.65 0.69 0.47 1.19 2000 0.79 1.07 1.30 1.66 2.27 1.33 1.30 0.99 1.70* ---- ---- ---- ---- 2001 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2002 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2003 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2004 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2005 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2006 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- Average 0.77 1.08 1.51 1.85 2.07 1.78 1.21 1.13 1.12 0.86 0.79 0.61 1.23 % SD 8 7 11 9 8 21 9 17 28 14 13 20 2 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.