Dillon, MT. Ambient Temperature Dillon, MT. Hourly Average Ambient Temperature For 2002 to 2013 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 -5.4 -5.5 -5.7 -5.8 -5.9 -6.0 -6.2 -6.4 -6.3 -5.0 -3.4 -1.9 -0.7 -0.0 0.4 0.3 -0.6 -2.3 -3.3 -3.9 -4.3 -4.6 -4.8 -5.1 -3.8 Feb -4.9 -5.1 -5.4 -5.6 -5.8 -6.1 -6.3 -6.3 -5.5 -3.7 -1.9 -0.4 0.9 1.9 2.3 2.4 2.0 0.4 -1.4 -2.4 -3.2 -3.7 -4.1 -4.5 -2.8 Mar -0.6 -1.1 -1.5 -1.8 -2.0 -2.3 -2.4 -1.8 -0.1 1.8 3.4 4.8 5.8 6.6 6.9 7.1 6.9 6.0 4.3 2.8 1.9 1.2 0.6 0.1 1.9 Apr 1.9 1.2 0.8 0.4 0.0 -0.2 0.1 1.9 3.9 5.5 6.9 8.1 9.1 9.7 10.2 10.3 10.1 9.6 8.5 6.7 5.2 4.1 3.3 2.5 5.0 May 5.9 5.2 4.6 4.1 3.7 3.7 5.2 7.5 9.3 10.9 12.2 13.5 14.5 15.1 15.5 15.6 15.6 15.1 14.2 12.5 10.5 9.1 8.0 7.0 9.9 Jun 9.9 9.0 8.2 7.6 7.2 7.5 9.7 12.1 14.0 15.6 17.0 18.2 19.4 20.0 20.4 20.5 20.4 19.9 19.2 17.7 15.5 13.8 12.5 11.3 14.4 Jul 14.7 13.5 12.5 11.7 11.2 11.2 13.4 16.6 19.1 21.2 23.2 25.0 26.4 27.3 27.6 27.6 27.4 27.1 26.1 24.1 21.3 19.1 17.7 16.1 20.0 Aug 13.0 11.9 11.1 10.5 10.0 9.6 10.5 13.3 16.2 18.8 20.9 22.9 24.4 25.2 25.7 25.8 25.5 24.8 23.3 20.8 18.4 16.8 15.4 14.1 17.9 Sep 8.9 8.2 7.5 7.1 6.7 6.3 6.2 7.9 10.9 13.5 15.8 17.8 19.3 20.3 20.9 21.0 20.7 19.6 17.3 14.9 13.0 11.6 10.5 9.6 13.1 Oct 3.2 2.8 2.5 2.2 1.9 1.6 1.4 1.8 3.8 6.2 8.2 10.0 11.4 12.2 12.7 12.7 12.0 10.0 8.0 6.4 5.4 4.6 4.0 3.5 6.2 Nov -1.7 -1.9 -2.1 -2.3 -2.5 -2.7 -2.8 -2.8 -2.1 -0.2 1.7 3.2 4.3 4.9 5.1 4.9 3.6 1.7 0.5 -0.2 -0.6 -1.0 -1.3 -1.5 0.2 Dec -6.1 -6.2 -6.3 -6.3 -6.4 -6.5 -6.5 -6.6 -6.6 -5.4 -3.8 -2.4 -1.4 -0.7 -0.4 -0.8 -2.2 -3.6 -4.5 -5.0 -5.4 -5.6 -5.8 -6.0 -4.6 Values in Degrees Celsius Dillon, MT. Daily Average Ambient Temperature For 2002 to 2013 Latitude: 45.21 degrees Longitude: 112.64 degrees Altitude: 1590 meters 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 0.5 -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 2011 -4.0 -5.4 1.4 2.7 8.0 13.3 19.2 18.5 14.8 7.9 -0.9 -3.4 6.1 2012 -1.5 -2.8 4.0 7.0 10.0 15.5 20.6 18.8 14.3 5.8 1.8 -3.9 7.5 2013 -5.2 -2.0 1.7 4.1 11.0 15.4 20.8 19.1 13.4 4.3 1.1 -6.4 6.5 Average -3.8 -2.8 1.9 5.0 9.9 14.4 20.0 17.9 13.1 6.0 0.2 -4.6 6.5 % SD 51 54 101 32 14 8 7 6 9 38 937 46 9 Values in average daily Degrees Celsius * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.