Challis, ID. Diffuse Values Challis, ID. Hourly Average Diffuse Values For 2009 to 2010 Latitude: degrees Longitude: degrees Altitude: 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 84 144 181 195 202 165 104 51 6 0 0 0 1149 Feb 0 0 0 0 5 55 126 193 224 242 253 238 178 107 33 1 0 0 1655 Mar 0 0 0 3 43 100 154 197 230 235 244 238 203 144 82 19 0 0 1892 Apr 0 0 2 35 91 144 194 241 265 300 290 254 220 158 99 47 4 0 2344 May 0 0 16 72 145 207 250 299 340 331 329 292 267 203 152 86 21 0 3011 Jun 0 1 23 70 122 161 208 228 244 272 248 219 205 172 138 94 35 3 2442 Jul 0 0 16 54 79 102 130 136 145 153 181 182 167 143 113 70 35 2 1708 Aug 0 0 3 39 78 111 141 160 173 207 215 216 182 147 108 62 14 0 1857 Sep 0 0 0 13 52 75 102 135 150 154 162 149 131 99 65 18 0 0 1304 Oct 0 0 0 2 30 80 124 154 174 183 175 156 115 71 21 1 0 0 1283 Nov 0 0 0 0 5 46 93 130 154 166 151 125 89 35 2 0 0 0 995 Dec 0 0 0 0 0 18 69 109 141 160 153 112 75 23 1 0 0 0 859 Values in Watt hours/meter^2 per hour Challis, ID. Daily Average Diffuse Values For 2009 to 2010 Latitude: degrees Longitude: degrees Altitude: meters Year\Mth 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 Average 1.15 1.66 1.89 2.34 3.01 2.44 1.71 1.86 1.30 1.28 1.00 0.86 1.71 % SD ---- ---- ---- ---- ---- ---- 28 17 8 7 18 13 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.