Portland-PSU, OR. Global Data Portland-PSU, OR. Hourly Average Global Data For 2004 to 2013 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 1 30 86 144 180 188 175 136 69 15 0 0 0 0 1026 Feb 0 0 0 0 15 78 161 242 290 304 279 228 156 64 9 0 0 0 1826 Mar 0 0 0 10 64 164 255 321 363 375 363 305 225 131 44 3 0 0 2622 Apr 0 0 8 59 167 276 377 462 504 522 481 423 327 225 119 26 1 0 3975 May 0 2 39 122 239 355 454 523 570 578 564 504 404 289 178 73 9 0 4904 Jun 0 6 53 144 257 365 466 536 591 617 576 519 436 327 221 113 25 1 5252 Jul 0 3 43 138 265 389 506 615 694 725 712 644 539 414 270 133 24 0 6115 Aug 0 0 13 74 196 322 436 537 608 644 624 560 454 332 190 57 4 0 5051 Sep 0 0 1 29 134 258 376 467 523 530 496 420 313 190 63 5 0 0 3805 Oct 0 0 0 6 59 141 232 305 336 352 312 247 157 51 5 0 0 0 2203 Nov 0 0 0 0 13 63 129 180 204 210 175 127 53 9 0 0 0 0 1163 Dec 0 0 0 0 2 28 78 132 159 161 137 96 34 4 0 0 0 0 831 Values in Watt hours/meter^2 per hour Portland-PSU, OR. Daily Average Global Data For 2004 to 2013 Latitude: 45.51 degrees Longitude: 122.69 degrees Altitude: 70 meters 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 2011 0.92 1.63 1.92 3.67 4.35 4.68 5.59 5.30 3.85 1.85 1.14 0.95 2.99 2012 0.96 1.66 2.35 3.61 5.05 5.04 5.88 5.54 4.33 2.26 1.05 0.75 3.21 2013 1.07 1.54 2.90 4.01 5.00 5.87 6.73 4.71 3.03 2.63 1.30 0.91 3.32 Average 1.02 1.83 2.62 3.98 4.90 5.25 6.11 5.05 3.80 2.20 1.16 0.83 3.24 % SD 18 16 14 10 12 8 5 8 12 12 14 14 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.