Eugene, OR. Global Data on a 45° Tilt Facing South Eugene, OR. Hourly Average Global Data on a 45° Tilt Facing South For 1983 to 2010 Latitude: 44.05 degrees Longitude: 123.07 degrees Altitude: 150 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 3 58 157 255 317 328 305 243 147 37 0 0 0 0 1850 Feb 0 0 0 0 24 122 252 376 446 471 447 376 260 125 15 0 0 0 2914 Mar 0 0 0 12 88 215 354 466 532 565 538 446 330 187 57 3 0 0 3793 Apr 0 0 7 53 162 302 424 532 606 618 579 490 369 227 95 17 0 0 4480 May 0 2 24 85 203 333 470 581 645 666 622 530 399 258 118 36 5 0 4976 Jun 0 5 32 88 207 343 480 593 674 697 669 590 456 296 141 46 12 0 5330 Jul 0 2 25 80 216 380 545 684 778 808 778 679 526 346 160 43 10 0 6061 Aug 0 0 11 66 208 382 561 716 814 842 806 686 519 330 140 27 2 0 6110 Sep 0 0 2 47 192 369 550 697 780 802 752 625 449 253 70 4 0 0 5592 Oct 0 0 0 11 103 247 390 506 582 594 550 438 284 113 7 0 0 0 3826 Nov 0 0 0 0 23 113 219 305 354 357 310 228 117 14 0 0 0 0 2039 Dec 0 0 0 0 3 52 142 229 280 283 256 182 88 9 0 0 0 0 1523 Values in Watt hours/meter^2 per hour Eugene, OR. Daily Average Global Data on a 45° Tilt Facing South For 1983 to 2010 Latitude: 44.05 degrees Longitude: 123.07 degrees Altitude: 150 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1983 ---- ---- ---- ---- ---- 4.24* 4.58 5.18 5.54 3.26 1.57 1.05 ---- 1984 2.47 2.69 3.59 3.85 4.69 5.22 6.81 5.89* 5.34 2.78 1.80 1.77 3.91 1985 1.96 3.00 3.84 4.70 5.02 6.00 6.43 6.12 4.42 3.91 2.01 2.51 4.16 1986 1.24 1.92 4.29 4.36 4.87 5.41 5.65 6.16 4.11 4.02 1.63 1.56 3.77 1987 2.08 2.85 3.69 5.22 4.97 6.13 4.86 6.50 5.13 4.94 1.77 1.33 4.12 1988 1.25 3.27 4.25 3.81 4.24 5.22 5.97 6.36 5.84 3.39 1.62 1.87 3.92 1989 2.08 3.17 2.87 4.72 4.78 5.08 5.01 5.30 5.79 4.04 2.48 1.51 3.90 1990 1.31 2.70 3.95 4.31 4.72 5.04 6.23 5.78 5.44 3.88 2.39 2.21 4.00 1991 2.61 2.76 3.50 4.07 4.24 5.19 6.75 6.23 6.46 4.45 1.57 1.16 4.09 1992 2.01 3.12 4.77 4.00 6.45 5.64 5.91 5.95 5.45 3.48 2.02 1.56 4.19 1993 2.17 3.29 3.12 3.55 4.55 5.08 5.04 5.62 6.20 4.28 2.60 1.00 3.87 1994 2.10 2.50 4.41 4.18 5.07 5.02 6.22 6.16 5.75 4.06 2.28 1.62 4.12 1995 1.49 2.73 3.92 4.23 5.18 4.99 5.69 6.06 4.81 3.91 1.68 1.19 3.82 1996 1.73 3.32 4.08 4.42 4.77 5.62 6.21 6.32 5.43 3.06 2.13 1.22 4.02 1997 2.11 3.01 3.01 4.39 5.58 5.27 6.13 6.03 4.91 2.88 1.95 1.55 3.90 1998 1.20 2.35 3.48 4.65 3.35 4.96 5.71 6.57 5.66 3.51 1.63 1.66 3.73 1999 1.83 2.03 3.46 4.91 5.06 5.21 6.00 5.23 6.99 4.78 2.18 1.53 4.11 2000 1.35 1.90 3.83 4.64 4.84 5.94 5.98 6.48 5.77 3.96 2.85 1.35 4.08 2001 2.02 2.92 3.45 4.39 6.31 5.09 6.13 6.13 6.07 3.67 2.06 1.57 4.15 2002 1.33 3.59 4.00 4.80 5.13 5.50 6.59 6.76 6.05 4.43 2.61 1.04 4.32 2003 1.58 3.45 3.05 3.92 5.53 6.08 7.07 6.37 5.67 3.81 1.85 1.24 4.13 2004 1.49 2.47 4.86 5.29 4.61 5.28 6.48 5.77 4.73 3.55 2.26 1.16 4.00 2005 2.12 3.83 4.20 4.13 4.02 4.89 6.28 6.84 6.43 3.51 1.81 1.60 4.14 2006 1.26 3.86 3.62 4.97 5.52 5.10 6.08 6.86 6.59 4.83 1.51 1.96 4.34 2007 2.95 2.57 4.16 5.18 5.69 5.66 5.98 6.32 5.76 3.45 2.43 1.20 4.29 2008 1.89 3.16 3.72 4.71 4.84 5.40 6.66 5.90 6.12 3.76 2.04 1.64 4.15 2009 2.57 3.02 3.36 4.98 6.07 5.27 6.54 5.82 5.63 3.74 2.55 1.91 4.29 2010 1.42 2.94 3.81 4.57 4.62 4.83 6.65 6.07 4.51 3.66 1.77 1.54 3.87 Average 1.84 2.90 3.79 4.48 4.99 5.30 6.06 6.10 5.59 3.82 2.04 1.52 4.04 % SD 26 18 13 10 14 8 10 7 12 14 18 24 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.