Dillon, MT. Global Data Dillon, MT. Hourly Average Global Data For 2002 to 2010 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 30 124 221 290 323 304 240 153 55 3 0 0 0 1743 Feb 0 0 0 0 10 89 220 343 425 455 431 371 269 144 34 0 0 0 2790 Mar 0 0 0 6 73 208 355 477 549 577 560 477 370 243 105 13 0 0 4013 Apr 0 0 4 59 184 335 480 589 649 659 612 553 437 305 178 57 3 0 5103 May 0 1 32 139 286 441 568 655 717 726 682 609 494 379 241 111 22 0 6103 Jun 0 3 53 172 320 478 622 715 774 777 714 643 534 404 275 155 48 2 6688 Jul 0 1 39 162 327 494 642 758 832 837 774 685 569 436 301 162 46 1 7065 Aug 0 0 8 88 237 400 535 651 730 725 668 585 474 350 218 85 9 0 5762 Sep 0 0 0 28 142 294 432 542 609 626 574 517 385 247 109 15 0 0 4521 Oct 0 0 0 3 56 173 300 396 457 467 423 340 232 111 18 0 0 0 2977 Nov 0 0 0 0 10 80 187 283 330 349 307 227 132 35 0 0 0 0 1940 Dec 0 0 0 0 0 27 110 197 259 283 251 186 99 19 0 0 0 0 1431 Values in Watt hours/meter^2 per hour Dillon, MT. Daily Average Global Data For 2002 to 2010 Latitude: 45.21 degrees Longitude: 112.64 degrees Altitude: 1590 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2002 ---- ---- ---- ---- ---- ---- ---- ---- ---- 3.28 2.12 1.42 ---- 2003 1.58 3.07 3.85 4.61 6.56 7.60 7.81 6.04 4.85 3.35 2.25 1.45 4.43 2004 1.83 2.63 4.31 5.54 5.78 7.03 6.99 5.72 4.50 3.09 2.03 1.38 4.24 2005 1.88 3.16 3.91 5.18 5.84 6.13 7.15 6.20 4.43 2.98 1.86 1.51 4.19 2006 1.62 2.82 4.02 4.96 6.50 7.02 7.07 5.92 4.37 2.84 1.82 1.47 4.21 2007 1.92 2.46 4.15 5.34 6.27 6.94 6.72 5.53 4.15 2.83 1.98 1.30 4.14 2008 1.71 2.81 4.08 5.22 5.63 6.76 7.24 5.90 4.56 3.04 1.63 1.41 4.17 2009 1.70 2.66 3.92 4.95 6.94 6.08 6.61 5.51 4.78 2.66 2.03 1.47 4.11 2010 1.70 2.67 3.87 5.03 5.29 5.96 6.94 5.28 4.53 2.83 1.74 1.49 3.95 Average 1.74 2.79 4.01 5.10 6.10 6.69 7.07 5.76 4.52 2.99 1.94 1.43 4.18 % SD 7 8 4 6 9 9 5 5 5 8 10 5 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.