Salem, OR. Global Data Salem, OR. Hourly Average Global Data For 2004 to 2013 Latitude: 44.94 degrees Longitude: 123.03 degrees Altitude: 60 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 28 93 156 195 210 193 150 88 24 1 0 0 0 1140 Feb 0 0 0 0 17 84 178 263 316 335 320 260 179 85 13 0 0 0 2051 Mar 0 0 0 12 81 185 289 378 438 439 425 359 262 159 55 4 0 0 3087 Apr 0 0 10 76 193 327 439 521 570 593 543 479 376 265 138 30 1 0 4561 May 0 2 48 151 285 418 513 592 645 661 642 572 467 334 190 62 9 0 5590 Jun 0 5 66 173 303 437 524 619 676 692 667 597 495 391 199 107 24 0 5975 Jul 0 3 58 182 324 475 605 711 781 805 789 722 606 459 267 87 25 0 6898 Aug 0 0 19 113 253 408 540 644 720 746 715 641 518 377 216 51 5 0 5967 Sep 0 0 1 49 167 306 436 530 590 609 560 476 358 216 70 9 0 0 4377 Oct 0 0 0 7 70 166 268 348 391 395 356 288 180 76 6 0 0 0 2552 Nov 0 0 0 0 12 67 138 199 238 237 205 147 74 12 0 0 0 0 1328 Dec 0 0 0 0 2 28 90 141 169 178 158 114 51 6 0 0 0 0 936 Values in Watt hours/meter^2 per hour Salem, OR. Daily Average Global Data For 2004 to 2013 Latitude: 44.94 degrees Longitude: 123.03 degrees Altitude: 60 meters Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2004 1.03 1.98 3.67 5.11 5.16 6.22 6.97 5.76 3.83 2.46 1.29 0.79 3.69 2005 1.18 2.37 3.18 4.20 4.75 5.67 6.96 6.54 4.75 2.16 1.50 0.93 3.69 2006 0.81 2.22 2.97 4.93 5.86 6.09 6.82 6.31 4.88 3.00 1.04 1.06 3.84 2007 1.45 1.84 3.12 4.50 6.20 6.15 6.40 5.80 4.37 2.26 1.49 0.81 3.71 2008 1.19 2.28 3.07 4.42 5.06 6.10 7.08 5.57 4.69 2.71 1.23 0.95 3.70 2009 1.37 2.03 3.00 4.66 6.76 5.98 6.94 5.60 4.47 2.56 1.52 1.20 3.85 2010 0.99 2.00 3.28 4.44 5.41 5.72 7.10 6.00 3.87 2.72 1.29 0.92 3.65 2011 1.21 2.06 2.50 4.44 5.06 5.56 6.45 6.21 4.47 2.14 1.30 1.00 3.54 2012 1.16 1.90 2.73 4.28 5.92 5.69 6.66 6.42 4.92 2.64 1.14 0.82 3.69 2013 0.95 1.84 3.35 4.63 5.79 6.56 7.60 5.46 3.51 2.84 1.47 0.90 3.75 Average 1.14 2.05 3.09 4.56 5.60 5.98 6.90 5.97 4.38 2.55 1.33 0.94 3.71 % SD 17 9 11 6 11 5 5 6 11 11 12 13 2 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.