Challis, ID. Global Data on a 90° Tilt Facing South Challis, ID. Hourly Average Global Data on a 90° Tilt Facing South 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 28 198 373 474 537 552 503 377 183 8 0 0 0 3233 Feb 0 0 0 0 7 113 289 483 591 711 691 544 447 322 76 1 0 0 4275 Mar 0 0 0 2 66 236 411 541 642 680 608 497 394 257 135 20 0 0 4489 Apr 0 0 1 22 90 240 386 473 536 557 504 412 320 209 92 32 3 0 3875 May 0 0 10 45 94 177 281 347 358 351 353 315 251 164 93 50 13 0 2900 Jun 0 1 15 46 81 126 238 311 360 364 355 303 239 142 91 62 27 2 2761 Jul 0 0 12 49 75 135 273 389 465 493 438 383 297 169 90 63 32 2 3365 Aug 0 0 2 29 73 200 337 424 504 543 512 416 322 212 96 47 11 0 3728 Sep 0 0 0 11 140 318 489 573 642 645 652 547 418 265 126 16 0 0 4840 Oct 0 0 0 1 75 237 382 524 604 662 622 504 378 240 51 0 0 0 4279 Nov 0 0 0 0 5 159 317 435 565 608 533 474 315 101 1 0 0 0 3514 Dec 0 0 0 0 0 47 294 431 610 645 608 512 340 69 1 0 0 0 3555 Values in Watt hours/meter^2 per hour Challis, ID. Daily Average Global Data on a 90° Tilt Facing South 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 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 4.52 3.94 ---- 2010 3.23 4.28 4.49 3.87 2.90 2.76 3.36 3.73 4.84 4.28 2.96 3.18 3.65 Average 3.23 4.28 4.49 3.87 2.90 2.76 3.36 3.73 4.84 4.28 3.74 3.56 3.75 % SD ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 29 15 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.