Ashland, OR. Diffuse Values Ashland, OR. Hourly Average Diffuse Values For 2000 to 2010 Latitude: 42.19 degrees Longitude: 122.70 degrees Altitude: 595 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 36 79 114 134 141 128 101 66 24 1 0 0 0 827 Feb 0 0 0 0 17 61 106 142 161 165 157 134 99 54 12 0 0 0 1108 Mar 0 0 0 12 59 115 158 191 212 210 205 177 139 93 41 3 0 0 1615 Apr 0 0 7 48 107 158 207 235 245 244 229 201 162 114 67 19 0 0 2043 May 0 1 28 75 125 167 192 207 218 216 206 179 153 115 79 40 5 0 2006 Jun 0 3 33 72 109 140 153 161 166 163 158 143 127 106 77 45 13 0 1670 Jul 0 1 23 49 69 85 95 98 102 107 107 102 98 84 63 40 12 0 1134 Aug 0 0 10 41 67 84 97 110 111 114 115 110 95 76 54 26 2 0 1112 Sep 0 0 1 26 58 80 99 110 116 117 108 95 80 61 32 5 0 0 989 Oct 0 0 0 8 44 81 106 124 138 135 125 104 74 38 7 0 0 0 983 Nov 0 0 0 0 18 59 99 130 139 134 115 85 50 13 0 0 0 0 843 Dec 0 0 0 0 4 37 79 114 132 133 117 87 44 9 0 0 0 0 755 Values in Watt hours/meter^2 per hour Ashland, OR. Daily Average Diffuse Values For 2000 to 2010 Latitude: 42.19 degrees Longitude: 122.70 degrees Altitude: 595 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2000 ---- ---- ---- ---- ---- ---- 0.97 0.76 1.03 1.01 0.93 0.79 ---- 2001 0.76 1.15 1.52 2.22 1.52 1.78 1.21 1.11 0.83 0.95 0.76 0.82 1.22 2002 0.89 1.01 1.48 1.80 1.85 1.31 1.56 1.66 0.96 0.76 0.81 0.77 1.24 2003 0.81 1.03 1.69 2.47 2.18 1.33 0.87 1.32 0.96 0.84 0.92 0.81 1.27 2004 0.93 1.16 1.36 1.79 1.92 1.57 0.96 1.25 1.06 1.00 0.84 0.71 1.21 2005 0.85 0.98 1.53 2.23 2.50 2.15 0.89 0.75 1.06 0.91 0.69 0.64 1.27 2006 0.87 0.94 1.95 1.89 1.93 1.61 1.09 1.05 0.98 0.95 0.96 0.72 1.24 2007 0.63 1.35 1.48 1.85 1.87 1.55 1.39 0.85 0.86 1.12 0.74 0.75 1.20 2008 0.83 1.16 1.69 2.09 2.33 1.52 1.57 1.29 0.92 1.07 0.91 0.77 1.34 2009 0.69 1.28 1.70 2.00 1.64 2.03 1.12 1.12 1.15 1.15 0.77 0.74 1.28 2010 1.00 1.04 1.75 2.09 2.33 1.88 0.81 1.08 1.05 1.07 0.94 0.80 1.32 Average 0.83 1.11 1.61 2.04 2.01 1.67 1.13 1.11 0.99 0.98 0.84 0.76 1.26 % SD 13 12 11 11 16 17 24 24 10 12 11 7 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.