Klamath Falls, OR. Diffuse Values Klamath Falls, OR. Hourly Average Diffuse Values For 1999 to 2001 Latitude: 42.22 degrees Longitude: 121.79 degrees Altitude: 1220 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 7 51 96 131 142 146 134 98 63 21 0 0 0 0 889 Feb 0 0 0 0 23 87 143 200 256 255 228 172 124 56 6 0 0 0 1551 Mar 0 0 0 15 71 140 199 248 266 253 234 228 182 105 44 2 0 0 1985 Apr 0 0 4 51 101 143 177 244 271 281 282 226 196 140 88 14 0 0 2217 May 0 0 19 46 84 120 146 178 194 213 222 176 127 88 54 24 0 0 1691 Jun 0 0 25 30 48 62 107 103 169 121 115 96 52 41 36 22 2 0 1027 Jul 0 1 24 39 72 104 144 164 163 162 152 135 115 91 63 32 5 0 1466 Aug 0 0 11 25 41 39 75 107 122 127 113 95 77 54 30 16 1 0 934 Sep 0 0 2 23 37 55 74 91 98 112 96 97 72 47 16 1 0 0 821 Oct 0 0 0 11 38 70 104 127 135 134 120 96 62 29 3 0 0 0 930 Nov 0 0 0 1 23 74 125 161 178 161 127 102 54 10 0 0 0 0 1015 Dec 0 0 0 0 9 59 108 118 146 136 119 89 42 6 0 0 0 0 832 Values in Watt hours/meter^2 per hour Klamath Falls, OR. Daily Average Diffuse Values For 1999 to 2001 Latitude: 42.22 degrees Longitude: 121.79 degrees Altitude: 1220 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1999 0.89 1.93* 2.00 2.30* 2.71* ---- ---- ---- 0.66 0.89 1.04 0.96 ---- 2000 1.01 1.48* ---- ---- ---- 0.82* 1.47 0.94 0.91 1.00 1.03 0.78 ---- 2001 0.84 1.18* ---- ---- 1.06* ---- ---- ---- ---- ---- ---- ---- ---- Average 0.91 1.53 2.00 2.30 1.88 0.82 1.47 0.94 0.79 0.95 1.04 0.87 1.29 % SD 10 25 ---- ---- 62 ---- ---- ---- 23 8 1 15 Values in average daily KWhr/meter^2 per Day * Less than 15 days of data in month. Univ. of Oregon Solar