Helena, MT on Wednesday, December 3, 2008 Wednesday January February March April May June July August September October November December 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 Previous Day Next Day Daily Summary   Actual Average Record Temperature Mean Temperature °F 24°F   Max Temperature 27°F 34°F 62°F (1975) Min Temperature 20°F 14°F -26°F (1880) Degree Days Heating Degree Days 41 41   Month to date heating degree days 85 121   Since 1 July heating degree days 1680 2151   Cooling Degree Days 0 0   Month to date cooling degree days 0 0   Year to date cooling degree days 490 277   Moisture Dew Point 17°F     Average Humidity 69     Maximum Humidity 81     Minimum Humidity 57     Precipitation Precipitation T in 0.01 in 0.35 in (1926) Month to date precipitation 0.16 0.04   Year to date precipitation 8.68 10.90   Snow Snow 0.20 in in in () Month to date snowfall 2.3   Since 1 July snowfall 3.7   Snow Depth 2.00 in     Wind Wind Speed 6 mph     Max Wind Speed 13 mph     Max Gust Speed 15 mph     Visibility 9 miles     Events Snow     Key: T is trace of precipitation, MM is missing value Source: NWS Daily Summary Time(MST) Temperature Dew Point Humidity Pressure Visibility Wind Direction Wind Speed Gust Speed Precipitation Events Conditions 12:53 AM 24.1°F 17.1°F 75% 30.45 in 4.0 miles West 4.6 mph - 0.00 in Snow Light Snow 1:00 AM 23.0°F 17.6°F 80% 30.28 in 3.0 miles West 3.5 mph - 0.00 in Snow Light Snow 1:07 AM 23.0°F 17.6°F 80% 30.28 in 2.5 miles West 3.5 mph - 0.00 in Snow Light Snow 1:14 AM 23.0°F 17.6°F 80% 30.28 in 3.0 miles West 3.5 mph - 0.00 in Snow Light Snow 1:53 AM 23.0°F 18.0°F 81% 30.47 in 4.0 miles West 5.8 mph - 0.00 in Snow Light Snow 2:53 AM 21.9°F 17.1°F 82% 30.48 in 10.0 miles West 4.6 mph - 0.00 in   Overcast 3:53 AM 21.9°F 16.0°F 78% 30.49 in 10.0 miles West 4.6 mph - N/A   Overcast 4:53 AM 21.9°F 15.1°F 75% 30.49 in 10.0 miles SW 4.6 mph - N/A   Overcast 5:53 AM 21.9°F 14.0°F 72% 30.49 in 10.0 miles WSW 4.6 mph - N/A   Overcast 6:53 AM 21.9°F 15.1°F 75% 30.49 in 10.0 miles WSW 3.5 mph - N/A   Overcast 7:53 AM 19.9°F 14.0°F 78% 30.51 in 10.0 miles West 4.6 mph - N/A   Overcast 8:53 AM 21.9°F 15.1°F 75% 30.50 in 10.0 miles West 5.8 mph - N/A   Overcast 9:53 AM 23.0°F 15.1°F 72% 30.51 in 10.0 miles West 4.6 mph - N/A   Overcast 10:53 AM 25.0°F 15.1°F 66% 30.51 in 10.0 miles WNW 3.5 mph - N/A   Overcast 11:53 AM 27.0°F 15.1°F 61% 30.50 in 10.0 miles NNW 5.8 mph - N/A   Overcast 12:53 PM 26.1°F 14.0°F 60% 30.49 in 10.0 miles North 5.8 mph - N/A   Overcast 1:02 PM 26.6°F 14.0°F 59% 30.30 in 10.0 miles NNW 5.8 mph - N/A   Overcast 1:53 PM 24.1°F 12.9°F 62% 30.48 in 10.0 miles NNW 3.5 mph - N/A   Overcast 2:41 PM 24.8°F 14.0°F 64% 30.28 in 10.0 miles NNW 6.9 mph - N/A   Overcast 2:53 PM 25.0°F 14.0°F 63% 30.47 in 10.0 miles NNW 6.9 mph - N/A   Overcast 3:53 PM 24.1°F 12.9°F 62% 30.49 in 10.0 miles NNW 9.2 mph - N/A   Overcast 4:53 PM 21.9°F 12.0°F 66% 30.53 in 10.0 miles NW 8.1 mph - N/A   Overcast 5:53 PM 21.0°F 10.9°F 65% 30.55 in 10.0 miles WNW 6.9 mph - N/A   Overcast 6:53 PM 21.0°F 10.9°F 65% 30.55 in 10.0 miles West 8.1 mph - N/A   Overcast 7:53 PM 19.9°F 10.9°F 68% 30.57 in 10.0 miles West 6.9 mph - N/A   Overcast 8:53 PM 19.9°F 10.9°F 68% 30.58 in 10.0 miles West 6.9 mph - N/A   Overcast 9:53 PM 19.9°F 10.9°F 68% 30.60 in 10.0 miles WNW 5.8 mph - N/A   Overcast 10:53 PM 19.9°F 10.0°F 65% 30.60 in 10.0 miles WNW 4.6 mph - N/A   Overcast 11:53 PM 19.9°F 10.0°F 65% 30.61 in 10.0 miles WNW 4.6 mph - N/A   Overcast Astronomy Sunrise: 07:54 AM (MST) Moon Rise: 12:02 PM (MST) 12/3 Sunset: 04:41 PM (MST) Moon Set: 10:19 PM (MST) 12/3 Moon Phase Dec. 03 Dec. 05 Dec. 12 Dec. 19 Dec. 27 Copyright © 2009 The Weather Underground, Inc.