Dillon, MT. Diffuse Values Dillon, MT. Hourly Average Diffuse Values For 2002 to 2013 Latitude: 45.21 degrees Longitude: 112.64 degrees Altitude: 1590 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 24 76 123 157 170 162 135 95 42 4 0 0 0 988 Feb 0 0 0 0 8 55 114 167 194 204 197 181 144 86 27 1 0 0 1378 Mar 0 0 0 5 48 112 165 210 248 259 253 226 193 137 72 13 0 0 1940 Apr 0 0 3 41 99 155 210 251 279 289 278 253 215 164 103 43 3 0 2386 May 0 1 22 71 124 172 213 252 268 284 281 260 228 182 126 70 20 0 2574 Jun 0 2 32 77 117 163 191 212 232 238 242 227 207 175 129 79 34 3 2359 Jul 0 1 22 59 89 113 129 146 161 175 184 179 168 147 111 75 32 2 1794 Aug 0 0 7 44 84 119 150 170 187 197 191 176 161 131 95 51 10 0 1772 Sep 0 0 0 19 63 102 134 160 177 183 172 165 136 101 57 13 0 0 1481 Oct 0 0 0 2 33 84 125 157 172 177 167 138 103 60 15 0 0 0 1233 Nov 0 0 0 0 8 48 95 130 150 154 142 118 78 27 1 0 0 0 951 Dec 0 0 0 0 0 23 73 113 141 155 142 113 69 18 0 0 0 0 849 Values in Watt hours/meter^2 per hour Dillon, MT. Daily Average Diffuse Values For 2002 to 2013 Latitude: 45.21 degrees Longitude: 112.64 degrees Altitude: 1590 meters Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2002 ---- ---- ---- ---- ---- ---- ---- ---- ---- 1.05 0.99 0.86 ---- 2003 0.92 1.46 2.18 2.20 2.55 2.30 1.61 1.83 1.44 1.23 0.90 0.86 1.62 2004 1.08 1.35 1.82 2.18 2.98 2.31 1.94 1.79 1.52 1.15 0.82 0.88 1.65 2005 1.01 0.95 1.91 2.44 2.50 2.52 1.68 1.57 1.49 1.23 0.89 0.83 1.59 2006 1.00 1.29 2.07 2.14 2.22 2.33 1.79 1.75 1.46 1.24 0.97 0.78 1.59 2007 0.80 1.71 1.65 2.33 2.43 2.03 1.88 2.06 1.51 1.16 0.87 0.88 1.61 2008 1.08 1.34 1.97* ---- 2.82 2.37 1.84 1.60 1.57 1.16* 0.91 0.95 ---- 2009 0.88 1.14* 1.31* 3.05* 2.19 2.61 2.03 2.07 1.29 1.52 0.86 0.84 1.65 2010 1.00 1.46 1.88 2.48 2.82 2.45 1.44 1.63 1.38 1.19 1.10 0.88 1.64 2011 1.16 1.44 2.23 2.64 2.59 2.64 1.60 1.61 1.30 1.39 1.04 0.72 1.70 2012 0.91 1.50 2.01 2.38 2.49 1.99 2.00 1.88 1.69 1.22 1.06 0.83 1.66 2013 1.02 1.32 1.77 2.54 2.75 2.46 1.92 1.72 1.66 1.14 0.99 0.87 1.68 Average 0.99 1.36 1.89 2.44 2.58 2.36 1.79 1.77 1.48 1.22 0.95 0.85 1.64 % SD 11 15 14 11 10 9 11 10 9 10 9 7 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.