Eugene, OR. Direct Normal Data Eugene, OR. Hourly Average Direct Normal Data For 1977 to 2006 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 1 52 112 153 171 175 170 158 121 42 0 0 0 0 1155 Feb 0 0 0 0 28 116 179 224 245 253 261 259 224 147 20 0 0 0 1956 Mar 0 0 0 21 110 187 239 274 292 317 318 302 275 213 95 3 0 0 2646 Apr 0 0 13 100 191 255 290 315 344 354 346 337 314 268 186 43 0 0 3353 May 0 2 73 181 256 301 348 383 403 423 429 420 390 354 274 148 11 0 4396 Jun 0 11 133 238 307 350 394 435 471 495 512 522 508 464 399 278 42 0 5559 Jul 0 4 158 323 414 476 539 586 623 645 665 666 647 609 525 375 73 0 7328 Aug 0 0 58 267 397 479 546 610 649 668 675 658 619 564 446 188 7 0 6835 Sep 0 0 3 152 324 424 503 552 577 604 605 587 538 442 214 18 0 0 5544 Oct 0 0 0 21 145 243 308 357 391 418 428 405 344 199 15 0 0 0 3275 Nov 0 0 0 0 22 93 147 183 203 210 201 178 127 18 0 0 0 0 1380 Dec 0 0 0 0 1 42 95 136 156 165 167 136 83 9 0 0 0 0 990 Values in Watt hours/meter^2 per hour Eugene, OR. Daily Average Direct Normal Data For 1977 to 2006 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 1977 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 0.53* ---- 1978 0.69 1.10 1.98 2.39 2.80 3.30 5.00 3.70 2.88 4.17 1.99 1.15 2.60 1979 1.24 0.50 2.66 2.51 5.98 6.54 8.01 5.46 5.53 2.86 1.31 1.09 3.66 1980 1.58 1.30 2.25 3.78 3.09 3.46 7.03 6.59 5.42 4.11 1.46 1.55 3.47 1981 1.08 1.69 2.52 2.97 3.00 4.66 7.05 6.60 5.89 3.17 1.63 0.48 3.40 1982 1.00 2.19 2.81 4.60 5.71 4.58 5.84 5.96 4.52 2.41 1.69 1.16 3.54 1983 0.69 1.03 1.29 3.81 4.55 3.90 3.65 4.32 5.20 2.15 0.76 0.53 2.66 1984 1.88 1.71 2.29 2.39 3.77 5.36 9.11 7.10 5.19 1.75 0.81 1.27 3.56 1985 1.43 2.11 2.69 3.85 4.40 7.67 8.90 7.19 3.84 3.50 1.43 2.18 4.11 1986 0.70 1.03 2.97 3.43 4.27 6.48 6.34 7.32 3.51 3.79 1.07 1.11 3.51 1987 1.66 2.06 2.96 4.52 4.77 7.86 4.90 8.04 5.28 4.73 0.93 0.79 4.05 1988 0.57 2.60 3.77 2.94 3.60 5.72 7.98 7.64 6.25 2.50 0.94 1.49 3.83 1989 1.59 2.69 1.48 4.08 4.39 5.91 5.66 5.42 6.63 3.78 2.04 1.08 3.74 1990 0.75 2.18 3.29 3.65 5.01 4.54 7.12 5.68 4.84 3.25 1.83 1.59 3.65 1991 2.14 1.73 2.22 2.58 3.16 4.47 8.15 6.70 6.80 4.28 0.81 0.52 3.64 1992 1.15 2.03 3.33 2.19 6.20 5.59 6.51 6.44 4.65 2.63 1.07 0.91 3.55 1993 1.47 2.20 1.80 1.71 3.47 5.15 5.07 6.14 6.69 3.62 2.02 0.45 3.32 1994 1.51 1.64 3.68 2.69 4.53 5.46 8.85 7.30 5.90 3.48 1.67 1.09 4.00 1995 0.84 1.98 3.09 3.56 5.40 5.47 6.53 7.61 4.79 3.38 1.11 0.71 3.71 1996 1.24 2.83 3.17 3.40 3.53 6.45 8.57 7.68 5.49 2.30 1.47 0.80 3.91 1997 1.73 2.36 2.11 3.53 5.52 5.91 8.02 7.51 4.75 1.98 1.25 0.96 3.81 1998 0.52 1.38 2.58 3.41 2.18 5.13 6.92 8.36 6.33 2.88 0.76 1.24 3.49 1999 1.16 0.88 2.06 3.90 4.72 4.67 7.02 5.16 7.77 4.60 1.43 1.30 3.74 2000 0.75 0.99 2.72 3.60 3.20 7.53 7.06 7.54 5.56 3.43 2.20 0.78 3.79 2001 1.55 2.09 2.25 2.85 7.25 4.91 7.57 6.83 6.51 3.26 1.45 0.90 3.96 2002 0.59 2.99 2.86 4.23 4.68 5.93 8.60 8.30 6.50 4.19 2.31 0.52 4.31 2003 0.99 2.89 1.70 2.28 4.69 7.03 10.13 7.27 5.86 3.09 1.14 0.57 3.98 2004 0.68 1.49 4.09 4.98 3.64 6.06 8.45 6.43 4.13 2.72 1.53 0.54 3.74 2005 1.55 3.42 3.42 2.72 2.96 4.39 8.32 8.75 7.04 2.51 1.13 1.12 3.94 2006 0.61 3.20 2.12 4.32 5.90 5.29 8.17 7.95 6.69 4.26 0.71 1.26 4.21 Average 1.15 1.94 2.63 3.34 4.36 5.50 7.26 6.79 5.53 3.27 1.38 0.99 3.69 % SD 40 39 26 24 28 21 20 18 20 25 33 41 10 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Monitoring Lab.