Eugene, OR. Global Spectral Data UVA Eugene, OR. Hourly Average Global Spectral Data UVA For 1996 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 0.0 0.0 0.1 1.7 4.6 7.4 9.3 9.7 8.8 6.5 3.8 1.1 0.0 0.0 0.0 0.0 53.2 Feb 0.0 0.0 0.0 0.0 0.9 3.9 8.0 11.9 14.2 14.9 13.9 11.3 7.5 3.6 0.6 0.0 0.0 0.0 90.9 Mar 0.0 0.0 0.0 0.6 3.5 8.1 13.3 17.2 19.5 20.4 19.0 15.7 11.4 6.7 2.4 0.2 0.0 0.0 137.9 Apr 0.0 0.0 0.4 3.2 8.1 14.0 19.1 23.5 26.1 26.6 24.8 20.7 16.1 10.2 4.9 1.2 0.0 0.0 199.0 May 0.0 0.1 1.8 5.9 11.5 17.3 23.1 27.7 30.2 30.8 29.0 24.8 19.6 13.6 7.7 2.9 0.4 0.0 246.4 Jun 0.0 0.3 2.6 6.9 12.5 18.4 24.3 29.0 32.1 33.0 31.9 28.5 23.2 16.6 10.2 4.7 1.1 0.0 275.1 Jul 0.0 0.1 2.2 6.8 13.0 19.9 26.6 32.1 36.0 36.9 35.5 31.0 25.1 18.1 11.0 4.9 1.0 0.0 300.1 Aug 0.0 0.0 0.8 4.4 10.1 16.7 23.4 29.0 32.5 33.4 31.5 26.9 21.0 14.2 7.6 2.4 0.2 0.0 253.9 Sep 0.0 0.0 0.1 2.1 7.0 13.1 19.2 24.1 26.6 26.9 25.0 20.5 14.4 8.3 3.1 0.3 0.0 0.0 190.6 Oct 0.0 0.0 0.0 0.4 3.1 7.3 11.7 15.3 17.4 17.3 15.5 11.8 7.3 3.0 0.4 0.0 0.0 0.0 110.7 Nov 0.0 0.0 0.0 0.0 0.8 3.5 6.8 9.5 11.0 10.8 9.2 6.4 3.2 0.7 0.0 0.0 0.0 0.0 62.0 Dec 0.0 0.0 0.0 0.0 0.1 1.6 4.2 6.7 8.2 8.2 7.2 4.9 2.3 0.4 0.0 0.0 0.0 0.0 43.7 Values in Watt hours/meter^2 per hour Eugene, OR. Daily Average Global Spectral Data UVA For 1996 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 1996 ---- ---- ---- ---- ---- ---- ---- 338 271 147 91 53 ---- 1997 81 137 194 282 392 416 448 448* ---- 88 55 42 ---- 1998 41 76 119 174 167 243 261 243 177 99 54 41 142 1999 49 71 117 183 221 245 258 201 191 112 57 41 146 2000 42 67 131 181 224 282 276 246 184 108 68 42 154 2001 55 88 125 184 275 256 285 242 191 105 56 44 159 2002 47 101 140 195 242 274 301 264 194 117 65 36 165 2003 47 93 120 175 247 285 316 250 180 110 56 41 160 2004 49 80 154 205 221 262 296 232 168 107 64 40 157 2005 55 99 139 183 204 256 292 263 201 111 57 43 159 2006 44 103 138 207 251 261 282 259 190 120 50 49 163 2007 64 82 142 204 253 270 271 243 180 103 65 41 160 2008 56 96 140 201 231 270 300 238 190 110 61 46 162 2009 65 87 133 209 282 268 296 233 184 113 67 51 166 2010 51 92 134 201 237 263 319 255 169 113 60 46 162 Average 53 91 138 199 246 275 300 264 191 111 62 44 165 % SD 20 19 14 14 21 15 15 22 13 11 16 10 4 Values in average daily Watt hrs/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.