Green River, WY. Ambient Temperature Green River, WY. Hourly Average Ambient Temperature For 1994 to 2005 Latitude: 41.46 degrees Longitude: 109.44 degrees Altitude: 1000 meters Mon\Hr 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Avg Jan -4.9 -5.3 -5.8 -6.2 -6.4 -6.6 -6.8 -6.9 -6.0 -4.1 -2.0 -0.2 1.1 2.0 2.4 2.3 1.5 -0.0 -1.1 -1.9 -2.6 -3.3 -3.8 -4.3 -2.9 Feb -3.9 -4.4 -4.9 -5.2 -5.6 -6.0 -6.3 -6.1 -4.4 -2.5 -0.4 1.2 2.5 3.3 3.7 3.8 3.2 1.9 0.5 -0.4 -1.2 -2.0 -2.7 -3.3 -1.6 Mar 1.1 0.6 0.2 -0.3 -0.7 -1.0 -1.1 0.5 2.8 4.8 6.8 8.2 9.2 9.8 10.1 10.0 9.6 8.7 6.9 5.5 4.5 3.5 2.7 2.0 4.3 Apr 5.0 4.4 3.7 3.1 2.7 2.3 3.3 5.7 7.9 9.9 11.6 12.8 13.6 14.0 14.3 14.1 13.6 12.8 11.5 9.9 8.7 7.7 6.8 5.9 8.5 May 10.3 9.5 8.8 8.0 7.4 7.7 9.9 12.4 14.6 16.5 18.2 19.4 20.3 20.7 20.9 20.7 20.3 19.5 18.4 16.7 15.1 13.8 12.6 11.5 14.7 Jun 15.0 14.1 13.2 12.3 11.7 12.5 15.2 17.9 20.7 22.8 24.8 26.3 27.0 27.2 27.2 26.9 26.5 25.9 24.8 22.9 20.9 19.2 17.6 16.3 20.4 Jul 20.0 18.7 17.6 16.6 15.8 16.0 18.7 22.1 25.4 28.3 30.9 32.7 33.7 34.0 33.7 33.0 32.6 31.8 30.6 28.6 26.5 24.7 23.1 21.5 25.7 Aug 19.1 18.1 17.1 16.3 15.5 15.1 17.0 20.3 23.5 26.5 29.3 31.3 32.2 32.4 32.2 31.8 31.4 30.6 28.9 26.6 24.6 23.0 21.5 20.1 24.3 Sep 13.0 12.0 11.3 10.6 9.9 9.4 9.9 13.1 16.0 19.0 21.6 23.3 24.4 25.0 25.1 25.0 24.6 23.4 21.1 19.3 17.7 16.3 14.9 13.8 17.5 Oct 6.3 5.6 4.9 4.3 3.8 3.4 3.2 5.4 7.9 10.6 13.0 14.9 16.1 16.9 17.3 17.1 16.6 14.5 12.6 11.2 9.9 8.8 7.7 6.8 9.9 Nov -0.6 -1.1 -1.6 -2.0 -2.3 -2.6 -2.8 -2.4 -0.6 1.7 3.8 5.6 6.8 7.6 7.8 7.6 6.4 4.6 3.4 2.5 1.6 0.9 0.4 -0.1 1.9 Dec -4.4 -4.8 -5.2 -5.6 -5.9 -6.2 -6.4 -6.4 -5.3 -3.3 -1.1 0.6 1.8 2.6 2.9 2.7 1.4 -0.1 -1.0 -1.9 -2.6 -3.1 -3.6 -4.0 -2.4 Values in Degrees Celsius Green River, WY. Daily Average Ambient Temperature For 1994 to 2005 Latitude: 41.46 degrees Longitude: 109.44 degrees Altitude: 1000 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1994 ---- ---- ---- ---- ---- ---- 27.2 25.3 18.7 8.8 -0.8 -2.5 ---- 1995 -4.3 2.1 4.1 7.5 10.8 18.2 23.4 24.6 17.5 9.1 5.4 -0.8 9.8 1996 -2.9 -0.5 3.4 8.7 14.0 22.2 25.7 24.3 15.8 8.9 3.6 -1.4 10.2 1997 -3.4 -2.8 4.4 5.8 16.0 21.4 23.8 23.5 18.0 9.8 1.1 -6.6 9.3 1998 -1.8 -0.8 2.2 5.7 ---- ---- 27.2* 24.3 19.8 9.9 3.8 -2.7 ---- 1999 -0.5 -0.7 5.5 6.4 12.8 19.7 25.6 24.0 15.5 10.9 4.8 -2.0 10.2 2000 -1.2 1.5 4.2 11.4 16.7 21.7 27.4 25.6 15.5 9.6 -4.0 -3.9 10.4 2001 -5.9 -3.2 4.5 9.7 16.5 21.9 26.6 25.6 19.6 10.7 ---- ---- ---- 2002 ---- ---- ---- ---- ---- ---- ---- 23.2* 17.9 7.4 0.8 -0.9 ---- 2003 1.5 -2.1 5.1 10.3 15.8 19.3 29.3* 25.5 17.3 12.5 -1.5 -2.3 11.0 2004 -8.0 -5.3 6.3 10.0 15.2 19.9 24.6 22.4 16.9 10.6 1.9 -0.3 9.5 2005 -2.1 -3.6 3.7 8.7 14.8 18.6 26.8 23.3 17.3 11.3 3.7 -3.5 10.0 Average -2.9 -1.5 4.3 8.4 14.7 20.3 26.2 24.3 17.5 9.9 1.7 -2.4 10.1 % SD 96 149 26 24 13 7 7 4 8 14 171 73 5 Values in average daily Degrees Celsius * Less than 15 days of data in month. Univ. of Oregon Solar Monitoring Lab.