Silver Lake, OR. Global Data on a 90³ Tilt Facing South Silver Lake, OR. Hourly Average Global Data on a 90³ Tilt Facing South For 2002 to 2013 Latitude: 43.12 degrees Longitude: 121.06 degrees Altitude: 1355 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 22 180 354 468 526 543 517 413 278 94 1 0 0 0 3394 Feb 0 0 0 1 85 268 429 531 580 585 567 470 343 185 26 0 0 0 4070 Mar 0 0 0 20 130 273 387 496 542 539 506 430 316 184 57 2 0 0 3883 Apr 0 0 7 41 128 245 353 421 457 460 418 338 240 136 50 11 0 0 3305 May 0 2 24 55 98 206 304 363 394 392 351 280 189 96 57 26 2 0 2840 Jun 0 5 32 57 81 157 266 339 373 373 337 271 173 90 64 37 9 0 2666 Jul 0 3 27 53 75 174 296 382 431 428 386 316 211 96 62 37 8 0 2984 Aug 0 0 13 45 115 258 382 475 518 525 473 386 272 142 51 20 1 0 3676 Sep 0 0 2 57 209 363 499 598 645 640 580 474 339 193 49 3 0 0 4652 Oct 0 0 0 40 213 378 523 624 656 630 555 446 314 145 12 0 0 0 4536 Nov 0 0 0 2 104 290 423 509 547 518 466 347 215 44 0 0 0 0 3466 Dec 0 0 0 0 27 202 370 485 533 516 457 351 212 24 0 0 0 0 3176 Values in Watt hours/meter^2 per hour Silver Lake, OR. Daily Average Global Data on a 90³ Tilt Facing South For 2002 to 2013 Latitude: 43.12 degrees Longitude: 121.06 degrees Altitude: 1355 meters Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2002 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1.99 ---- 2003 2.44 4.81 3.83 2.78 2.81 2.85 2.91 3.47 4.88 4.63 2.69 2.31 3.35 2004 2.55 3.49 4.26 3.63 2.75 2.71 2.99 3.41 4.50 4.38 3.71 3.29 3.47 2005 3.18 4.35 4.12 3.03 2.43 2.71 2.99 3.89 4.68 4.78 3.48 2.58 3.51 2006 2.73 4.81 3.45 3.22 2.95 2.69 2.99 3.74 4.91 4.97 2.87 3.28 3.54 2007 4.58 3.65 4.08 3.40 3.09 2.79 2.97 3.81 4.53 4.14 4.53 2.66 3.69 2008 3.49 4.36 3.98 3.67 2.75 2.76 3.19 3.77 4.70 4.73 3.22 3.79 3.70 2009 4.07 3.84 3.91 3.65 3.02 2.56 3.04 3.75 4.91 4.02 4.18 3.55 3.71 2010 1.90 3.12 4.04 2.99 2.80 2.54 2.86 3.54 4.48 3.87 3.49 2.59 3.18 2011 3.85 4.06 3.22 3.30 2.73 2.60 2.95 3.80 4.75 4.51 3.46 4.35 3.63 2012 3.98 4.03 3.81 3.07 2.97 2.61 2.97 3.85 4.92 4.85 2.62 3.02 3.55 2013 4.58 4.28 4.00 3.62 2.95 2.52 2.96 3.42 3.91 4.96 3.98 4.22 3.78 Average 3.39 4.07 3.88 3.31 2.84 2.67 2.98 3.68 4.65 4.53 3.48 3.14 3.55 % SD 27 13 8 10 6 4 3 5 6 8 17 24 5 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.