Weather History for Helena, MT

Change the Weather History Date:

Sunday, February 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 25 °F 26 °F  
Max Temperature 37 °F 36 °F 63 °F (2007)
Min Temperature 12 °F 16 °F -28 °F (1893)
Degree Days  
Heating Degree Days 40 39  
Month to date heating degree days 186 197  
Since 1 July heating degree days 4242 4715  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 16 °F    
Average Humidity 68    
Maximum Humidity 92    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.01 in 0.36 in (1933)
Month to date precipitation 0.05 0.05  
Year to date precipitation 1.33 0.41  
Snow  
Snow 0.00 in 0.20 in 4.00 in (1933)
Month to date snowfall 1.4 1.0  
Since 1 July snowfall 30.0 23.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.45 in    
Wind  
Wind Speed 2 mph (West)    
Max Wind Speed 13 mph    
Max Gust Speed 14 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Feb. 05, 2012 Rise Set
Actual Time 7:47 AM MST 5:37 PM MST
Civil Twilight 7:15 AM MST 6:09 PM MST
Nautical Twilight 6:39 AM MST 6:45 PM MST
Astronomical Twilight 6:04 AM MST 7:20 PM MST
Moon 3:35 PM MST (2/5) 6:05 AM MST (2/5)
Length of Visible Light 10h 54m
Length of Day
9h 50m
Waxing Gibbous, 95% of the Moon is Illuminated
Feb 5
Waxing Gibbous
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 21.0 °F - 16.0 °F 81% 30.51 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 18.0 °F - 15.1 °F 88% 30.51 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 18.0 °F - 14.0 °F 84% 30.50 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 15.1 °F - 12.9 °F 91% 30.50 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 15.1 °F - 12.0 °F 88% 30.51 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 15.1 °F - 12.0 °F 88% 30.51 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 15.1 °F - 12.0 °F 88% 30.53 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 12.9 °F - 10.0 °F 88% 30.54 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 17.1 °F - 14.0 °F 88% 30.54 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 19.9 °F - 15.1 °F 81% 30.54 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 25.0 °F - 18.0 °F 75% 30.51 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 27.0 °F - 18.0 °F 69% 30.49 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 30.0 °F - 18.0 °F 61% 30.45 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 34.0 °F - 18.0 °F 52% 30.42 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 36.0 °F - 17.1 °F 46% 30.39 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 37.0 °F - 17.1 °F 44% 30.39 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 35.1 °F - 19.0 °F 52% 30.39 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 32.0 °F - 18.0 °F 56% 30.40 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 28.0 °F 22.8 °F 18.0 °F 66% 30.41 in 10.0 mi SW 4.6 mph - N/A   Clear
7:53 PM 27.0 °F 19.5 °F 16.0 °F 63% 30.43 in 10.0 mi SW 6.9 mph - N/A   Clear
8:53 PM 23.0 °F 18.4 °F 15.1 °F 72% 30.44 in 10.0 mi NW 3.5 mph - N/A   Clear
9:53 PM 21.9 °F 14.5 °F 16.0 °F 78% 30.45 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
10:53 PM 33.1 °F 26.9 °F 23.0 °F 66% 30.42 in 10.0 mi West 6.9 mph - N/A   Overcast
11:53 PM 33.1 °F 26.1 °F 26.1 °F 75% 30.43 in 10.0 mi NW 8.1 mph - N/A   Overcast