Portland-PSU, OR. Global Data Portland-PSU, OR. Hourly Average Global Data For 2004 to 2010 Latitude: 45.51 degrees Longitude: 122.69 degrees Altitude: 70 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 2 32 89 146 185 192 179 135 69 15 0 0 0 0 1045 Feb 0 0 0 0 16 83 171 253 307 322 294 240 165 68 9 0 0 0 1929 Mar 0 0 0 9 64 171 268 336 380 386 373 318 232 136 46 3 0 0 2723 Apr 0 0 8 59 167 278 387 467 519 537 492 434 333 233 124 27 1 0 4067 May 0 2 40 125 241 361 462 531 585 593 561 499 396 288 178 76 9 0 4948 Jun 0 6 54 145 255 363 470 538 598 616 579 516 439 331 225 115 26 1 5276 Jul 0 3 45 141 269 393 511 622 696 723 712 644 539 413 267 132 24 0 6135 Aug 0 0 12 73 194 316 428 526 605 640 615 551 448 330 190 61 4 0 4994 Sep 0 0 1 25 131 261 379 474 527 532 505 427 315 193 62 5 0 0 3837 Oct 0 0 0 6 57 137 230 304 334 350 308 244 157 50 5 0 0 0 2182 Nov 0 0 0 0 13 63 129 179 204 211 174 129 53 9 0 0 0 0 1162 Dec 0 0 0 0 2 28 77 132 157 156 133 94 32 4 0 0 0 0 815 Values in Watt hours/meter^2 per hour Portland-PSU, OR. Daily Average Global Data For 2004 to 2010 Latitude: 45.51 degrees Longitude: 122.69 degrees Altitude: 70 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2004 ---- 1.91* 3.29 4.83 4.48 5.77 6.20 4.95 3.49 2.31 1.28 0.83* ---- 2005 1.15 2.47 2.87 3.60 4.38 4.92 6.37 5.66 4.10 1.95 1.34 0.84 3.31 2006 0.76 2.00 2.63 4.35 5.27 5.66 6.25 5.46 4.27 2.49 0.90 0.95 3.42 2007 1.28 1.50 2.52 3.87 5.65 5.51 5.87 4.95 3.75 2.02 1.39 0.63 3.25 2008 1.00 1.94 2.52 3.74 4.25 5.24 6.07 4.58 4.15 2.38 1.06 0.79 3.15 2009 1.25 1.77 2.47 4.24 5.98 5.11 6.25 4.52 3.84 1.98 1.15 0.99 3.30 2010 0.78 1.88 2.76 3.85 4.62 4.71 5.95 4.82 3.21 2.14 1.00 0.69 3.04 Average 1.04 1.92 2.72 4.07 4.95 5.28 6.14 4.99 3.83 2.18 1.16 0.82 3.26 % SD 22 15 11 11 14 7 3 9 10 10 16 16 4 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.