Challis, ID. Diffuse Values Challis, ID. Hourly Average Diffuse Values For 2009 to 2014 Latitude: 44.44 degrees Longitude: 114.13 degrees Altitude: 1651 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 19 70 116 153 166 163 137 95 48 6 0 0 0 973 Feb 0 0 0 0 5 52 122 175 200 217 226 203 160 103 35 1 0 0 1500 Mar 0 0 0 3 42 106 171 218 257 278 276 255 217 157 85 18 0 0 2083 Apr 0 0 2 34 94 146 194 235 274 286 282 256 222 166 113 49 4 0 2356 May 0 0 17 70 127 180 219 266 288 308 310 281 241 193 140 81 24 0 2744 Jun 0 1 24 67 110 142 176 200 222 241 244 230 207 171 135 88 38 3 2299 Jul 0 0 16 55 83 107 132 149 170 193 208 196 172 146 111 73 34 3 1848 Aug 0 0 3 40 85 118 145 163 181 205 212 208 190 152 110 60 12 0 1884 Sep 0 0 0 14 59 93 122 149 165 174 179 161 139 108 65 18 0 0 1446 Oct 0 0 0 1 29 76 115 144 163 168 159 139 107 67 21 0 0 0 1188 Nov 0 0 0 0 5 47 98 137 154 162 157 131 87 34 2 0 0 0 1015 Dec 0 0 0 0 0 18 67 107 137 155 150 119 77 23 1 0 0 0 853 Values in Watt hours/meter^2 per hour Challis, ID. Daily Average Diffuse Values For 2009 to 2014 Latitude: 44.44 degrees Longitude: 114.13 degrees Altitude: 1651 meters Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2009 ---- ---- ---- ---- ---- ---- 2.05 2.08 1.23 1.35 0.87 0.78 ---- 2010 1.15 1.66 1.89 2.34 3.01 2.44 1.37 1.64 1.37 1.22 1.12 0.94 1.68 2011 1.09 1.48 2.42 2.68 2.95 2.66 1.55 1.64 1.31 1.22 1.12 0.72 1.73 2012 0.93 1.45 2.23 2.21 2.45 1.98 2.14 2.04 1.70 1.11 1.09 0.89 1.69 2013 0.98 1.35 1.92 2.41 2.79 2.19 1.98 1.90 1.74 1.14 0.92 0.79 1.68 2014 0.70 1.53 1.96 2.10 2.12* 2.22 1.99 2.02 1.32 1.09 0.97 0.99 1.58 Average 0.97 1.49 2.08 2.35 2.66 2.30 1.85 1.88 1.45 1.19 1.01 0.85 1.67 % SD 18 7 11 9 14 11 17 11 15 8 11 12 3 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.