Boise, ID. Global Data on a 25 Degree Tilt Facing Southwest Boise, ID. Hourly Average Global Data on a 25 Degree Tilt Facing Southwest For 1994 to 2004 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 13 84 182 279 349 361 328 249 139 20 0 0 0 2004 Feb 0 0 0 0 2 43 159 296 419 492 529 504 416 299 127 8 0 0 3293 Mar 0 0 0 1 25 117 267 428 570 655 683 641 541 401 234 58 0 0 4623 Apr 0 0 0 18 70 211 385 541 660 744 769 744 651 510 342 145 13 0 5802 May 0 0 8 41 115 273 452 616 745 813 828 793 704 562 395 215 56 1 6616 Jun 0 0 13 41 125 295 480 654 787 871 899 860 764 628 457 274 102 7 7257 Jul 0 0 8 33 100 276 467 648 800 896 937 920 828 682 500 301 112 6 7513 Aug 0 0 1 22 72 238 432 617 772 870 911 894 807 660 454 236 47 0 7035 Sep 0 0 0 7 47 197 392 578 734 825 854 804 697 537 323 90 2 0 6088 Oct 0 0 0 1 21 140 313 481 613 674 684 635 527 356 126 4 0 0 4574 Nov 0 0 0 0 3 55 162 281 379 439 440 385 282 136 10 0 0 0 2572 Dec 0 0 0 0 0 16 87 180 270 316 320 284 200 81 2 0 0 0 1755 Values in Watt hours/meter^2 per hour Boise, ID. Daily Average Global Data on a 25 Degree Tilt Facing Southwest For 1994 to 2004 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 ---- ---- ---- ---- ---- 7.66 7.61 6.84 6.28 4.24 2.23 1.64 ---- 1995 1.99 3.75 4.02 5.55 6.03 6.39 7.39 7.15 6.06 4.76 2.11 1.46 4.72 1996 2.03 3.23 4.47 5.70 6.67 7.33 7.58 7.18 5.84 4.30 2.67 1.57 4.88 1997 2.20 3.82 4.80 5.70 7.06 6.69 7.27 7.19 5.88 4.46 3.04 2.59 5.06 1998 1.89 2.70 4.71 5.85 5.47 6.84 7.45 7.43 5.84 4.86 2.10 2.16 4.78 1999 2.36 2.35 4.50 5.96 7.04 7.16 8.03 6.49 6.74 5.15 2.47 1.78 5.02 2000 1.84 2.77 5.23 6.18 6.49 7.67 7.49 7.15 5.93 4.18 2.53 1.60 4.92 2001 2.31 3.43 4.68 5.52 7.24 7.28 7.08 7.19 6.13 4.40 2.79 1.55 4.97 2002 1.98 4.10 4.30 6.00 7.09 7.38 7.41 7.15 5.97 5.08 3.22 1.57 5.10 2003 1.84 3.70 4.29 5.02 6.67 7.95 7.78 6.77 6.31 4.82 2.68 1.66 4.96 2004 1.64 3.21 5.24 6.54 6.41 7.48 7.56 6.84 5.99 4.06 2.45 1.72 4.93 Average 2.01 3.31 4.62 5.80 6.62 7.26 7.51 7.03 6.09 4.57 2.57 1.75 4.93 % SD 11 17 9 7 8 6 3 4 4 8 14 19 2 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Monitoring Lab.