Gladstone, OR. Diffuse Values Gladstone, OR. Hourly Average Diffuse Values For 1980 to 2006 Latitude: 45.50 degrees Longitude: 122.50 degrees Altitude: 100 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 26 67 101 121 128 116 94 60 21 0 0 0 0 738 Feb 0 0 0 0 13 55 100 133 153 149 143 119 85 46 9 0 0 0 1003 Mar 0 0 0 11 55 110 164 199 221 212 195 172 132 84 36 3 0 0 1594 Apr 0 0 10 53 117 178 223 251 264 262 247 217 171 124 69 19 0 0 2205 May 0 3 35 88 150 198 236 269 278 272 254 230 195 143 93 43 5 0 2491 Jun 0 7 40 89 145 191 226 254 265 260 237 215 177 140 100 53 15 0 2414 Jul 0 3 30 70 121 161 198 216 219 202 186 164 133 102 72 41 12 0 1930 Aug 0 0 14 54 103 145 176 194 202 203 185 159 131 97 65 28 2 0 1758 Sep 0 0 2 29 72 121 154 170 182 177 157 131 102 64 32 3 0 0 1396 Oct 0 0 0 7 40 83 127 163 163 158 143 113 74 35 4 0 0 0 1111 Nov 0 0 0 0 13 47 84 110 126 125 104 75 41 9 0 0 0 0 733 Dec 0 0 0 0 2 24 58 84 105 108 92 66 33 5 0 0 0 0 577 Values in Watt hours/meter^2 per hour Gladstone, OR. Daily Average Diffuse Values For 1980 to 2006 Latitude: 45.50 degrees Longitude: 122.50 degrees Altitude: 100 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1980 ---- ---- ---- ---- ---- ---- ---- 2.27* 1.49 1.09 0.77 0.84 ---- 1981 1.44 1.55* 1.97 2.45 2.85* 3.11 2.56* 1.60 1.37 0.94 0.73 0.56 1.76 1982 0.71 0.84 1.53 1.91 2.51 2.32 2.87* 1.91 1.40 1.12 0.81 0.59 1.55 1983 0.70 1.02 1.51 2.15 2.17 2.80 2.51 2.28 1.54 1.34 0.76 0.60 1.62 1984 0.67 1.10 1.58 2.25 2.56 2.31 1.54* 1.52 1.38 1.26 0.76 0.53 1.46 1985 0.61 0.98 1.48 2.05 2.52 1.90 1.26 1.65 2.20* ---- ---- ---- ---- 1999 ---- ---- ---- ---- ---- ---- ---- 1.94 1.07 0.92* 0.74 ---- ---- 2000 ---- ---- ---- ---- ---- ---- 2.11* 1.63 1.42 1.00 0.76 0.63 ---- 2001 ---- 1.07 1.48 2.44 2.14 2.74 2.29* 1.69 1.41 1.00 0.70 0.57 ---- 2002 0.46* 1.14* ---- ---- ---- 2.31 1.97 1.72 ---- 0.96* 0.69 0.52 ---- 2003 0.60 0.83 1.61 2.48 2.84 2.67 1.51* 1.70 1.30 1.23 0.69 0.56 1.50 2004 0.66 1.03 1.63 2.01 2.58 2.11 2.09 1.70 1.77 1.14 0.86* 0.51* 1.51 2005 0.71 0.91 1.35 ---- ---- ---- ---- ---- ---- ---- 0.53* 0.47 ---- 2006 0.60 0.96 1.66 2.25 ---- ---- ---- ---- ---- ---- ---- ---- ---- Average 0.72 1.04 1.58 2.22 2.52 2.48 2.07 1.80 1.49 1.09 0.73 0.58 1.53 % SD 37 19 10 9 10 15 25 14 20 13 11 17 7 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar Monitoring Lab.