Dillon, MT. Ambient Temperature Dillon, MT. Hourly Average Ambient Temperature For 2002 to 2010 Latitude: 45.21 degrees Longitude: 112.64 degrees Altitude: 1590 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 -5.6 -5.7 -5.8 -5.9 -6.0 -6.2 -6.3 -6.4 -6.3 -5.1 -3.4 -2.0 -0.8 -0.0 0.4 0.3 -0.6 -2.3 -3.3 -4.0 -4.4 -4.8 -5.0 -5.3 -3.9 Feb -4.7 -4.9 -5.1 -5.4 -5.6 -5.9 -6.1 -6.2 -5.3 -3.5 -1.7 -0.1 1.1 2.1 2.7 2.8 2.3 0.8 -1.1 -2.2 -2.9 -3.5 -3.9 -4.3 -2.5 Mar -0.8 -1.3 -1.6 -2.0 -2.2 -2.5 -2.7 -2.0 -0.3 1.6 3.3 4.6 5.7 6.5 6.9 7.1 6.8 5.9 4.2 2.6 1.7 1.0 0.4 -0.2 1.8 Apr 2.1 1.4 0.9 0.5 0.1 -0.1 0.2 2.0 3.8 5.6 6.9 8.2 9.1 9.8 10.3 10.5 10.3 9.9 8.7 6.9 5.4 4.4 3.5 2.8 5.1 May 5.9 5.2 4.6 4.1 3.8 3.8 5.3 7.6 9.4 11.0 12.4 13.6 14.6 15.2 15.6 15.8 15.7 15.3 14.3 12.6 10.6 9.1 8.0 7.0 10.0 Jun 10.0 9.1 8.3 7.7 7.3 7.5 9.7 12.1 13.9 15.5 16.8 18.1 19.2 19.8 20.1 20.2 20.0 19.6 18.9 17.4 15.3 13.7 12.4 11.2 14.3 Jul 14.6 13.4 12.5 11.7 11.2 11.2 13.4 16.6 19.0 21.1 23.1 24.9 26.3 27.1 27.5 27.5 27.3 27.0 26.1 24.1 21.3 19.1 17.6 16.1 20.0 Aug 12.8 11.8 11.0 10.4 9.9 9.4 10.3 13.1 15.9 18.4 20.4 22.4 23.8 24.6 25.1 25.2 24.9 24.3 22.8 20.3 17.9 16.5 15.2 13.9 17.5 Sep 8.6 7.8 7.2 6.8 6.4 6.0 5.9 7.6 10.6 13.1 15.3 17.3 18.7 19.7 20.3 20.5 20.2 19.1 16.8 14.5 12.8 11.3 10.1 9.3 12.7 Oct 3.3 2.9 2.6 2.3 2.0 1.7 1.5 1.9 3.9 6.2 8.2 10.0 11.4 12.3 12.8 12.7 12.0 10.0 8.0 6.5 5.5 4.6 4.0 3.5 6.3 Nov -1.8 -2.0 -2.2 -2.4 -2.6 -2.8 -3.0 -3.0 -2.3 -0.4 1.5 3.0 4.1 4.7 4.9 4.7 3.5 1.6 0.4 -0.4 -0.8 -1.1 -1.4 -1.7 0.0 Dec -6.1 -6.2 -6.3 -6.4 -6.4 -6.4 -6.5 -6.5 -6.5 -5.4 -3.8 -2.4 -1.4 -0.7 -0.5 -0.9 -2.3 -3.7 -4.6 -5.1 -5.5 -5.7 -5.8 -6.0 -4.6 Values in Degrees Celsius Dillon, MT. Daily Average Ambient Temperature For 2002 to 2010 Latitude: 45.21 degrees Longitude: 112.64 degrees Altitude: 1590 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2002 ---- ---- ---- ---- ---- ---- ---- ---- ---- 1.2 -0.5 -2.0 ---- 2003 -1.1 -5.2 2.4 5.2 10.4 14.9 21.8 19.7 13.3 9.0 -3.0 -2.9 7.1 2004 -5.0 -2.7 4.9 6.7 9.6 14.1 18.9 16.3 11.7 6.7 0.4 -1.8 6.7 2005 -4.2 -1.0 2.1 5.0 9.9 12.9 20.0 17.2 12.5 7.8 0.4 -5.2 6.5 2006 -1.7 -4.0 -0.1 6.7 11.6 16.3 21.6 17.6 12.4 5.3 1.2 -3.2 7.0 2007 -6.7 -1.8 4.2 6.1 11.2 15.8 22.2 17.9 12.3 6.3 0.2 -4.9 6.9 2008 -6.7 -1.9 -0.5 2.5 9.5 14.1 19.6 18.0 11.7 6.5 3.3 -7.7 5.7 2009 -2.9 -1.2 -1.1 4.0 11.1 13.0 18.0 17.3 15.3 2.9 0.8 -8.6 5.8 2010 -3.2 -2.5 2.3 4.8 6.9 13.5 17.8 16.0 12.9 8.6 -2.5 -5.3 5.8 Average -3.9 -2.5 1.8 5.1 10.0 14.3 20.0 17.5 12.7 6.0 0.0 -4.6 6.4 % SD 54 56 123 28 15 9 9 6 9 42 6206 52 9 Values in average daily Degrees Celsius * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.