Weather History for Helena, MT

Change the Weather History Date:

Wednesday, February 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 39 °F 27 °F  
Max Temperature 45 °F 38 °F 58 °F (1924)
Min Temperature 32 °F 16 °F -28 °F (1936)
Degree Days  
Heating Degree Days 26 38  
Month to date heating degree days 418 505  
Since 1 July heating degree days 4627 5023  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 22 °F    
Average Humidity 51    
Maximum Humidity 61    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.01 in 0.28 in (1958)
Month to date precipitation 0.13 0.13  
Year to date precipitation 0.48 0.49  
Snow  
Snow 0.00 in 0.20 in 4.50 in (1958)
Month to date snowfall 1.8 2.4  
Since 1 July snowfall 31.2 24.7  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 17 mph (West)    
Max Wind Speed 35 mph    
Max Gust Speed 47 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. 13, 2013 Rise Set
Actual Time 7:34 AM MST 5:50 PM MST
Civil Twilight 7:03 AM MST 6:21 PM MST
Nautical Twilight 6:27 AM MST 6:57 PM MST
Astronomical Twilight 5:52 AM MST 7:32 PM MST
Moon 8:48 AM MST (2/13) 10:16 PM MST (2/13)
Length of Visible Light 11h 18m
Length of Day
10h 16m
Waxing Crescent, 14% of the Moon is Illuminated
Feb 13
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 37.9 °F 27.6 °F 24.1 °F 57% 30.08 in 10.0 mi West 20.7 mph 31.1 mph N/A   Overcast
1:53 AM 39.9 °F 32.5 °F 23.0 °F 51% 30.09 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
2:53 AM 39.0 °F 30.3 °F 23.0 °F 53% 30.07 in 10.0 mi WSW 16.1 mph 23.0 mph N/A   Overcast
3:53 AM 39.0 °F 35.7 °F 24.1 °F 55% 30.05 in 10.0 mi West 4.6 mph - N/A   Overcast
4:53 AM 39.0 °F 33.4 °F 24.1 °F 55% 30.04 in 10.0 mi West 8.1 mph - N/A   Overcast
5:53 AM 41.0 °F 32.8 °F 24.1 °F 51% 30.01 in 10.0 mi SW 16.1 mph 20.7 mph N/A   Mostly Cloudy
6:53 AM 41.0 °F 33.1 °F 24.1 °F 51% 30.01 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
7:53 AM 41.0 °F 32.8 °F 24.1 °F 51% 29.99 in 10.0 mi West 16.1 mph 23.0 mph N/A   Overcast
8:53 AM 41.0 °F 33.9 °F 23.0 °F 49% 30.02 in 10.0 mi West 12.7 mph 23.0 mph N/A   Overcast
9:53 AM 42.1 °F 33.6 °F 23.0 °F 47% 30.04 in 10.0 mi WNW 18.4 mph 31.1 mph N/A   Mostly Cloudy
10:53 AM 43.0 °F 33.5 °F 23.0 °F 45% 30.05 in 10.0 mi WNW 24.2 mph 32.2 mph N/A   Mostly Cloudy
11:53 AM 44.1 °F 34.2 °F 23.0 °F 43% 30.05 in 10.0 mi WNW 28.8 mph 47.2 mph N/A   Partly Cloudy
12:53 PM 44.1 °F 35.4 °F 24.1 °F 45% 30.06 in 10.0 mi West 21.9 mph 40.3 mph N/A   Partly Cloudy
1:53 PM 43.0 °F 34.0 °F 21.9 °F 43% 30.06 in 10.0 mi WNW 21.9 mph 33.4 mph N/A   Mostly Cloudy
2:53 PM 42.1 °F 31.9 °F 21.0 °F 43% 30.07 in 10.0 mi WNW 26.5 mph 41.4 mph N/A   Mostly Cloudy
3:53 PM 42.1 °F 34.5 °F 21.9 °F 45% 30.09 in 10.0 mi WNW 15.0 mph 26.5 mph N/A   Overcast
4:53 PM 39.9 °F 32.9 °F 21.0 °F 47% 30.11 in 10.0 mi WNW 11.5 mph 25.3 mph N/A   Mostly Cloudy
5:53 PM 39.0 °F 28.8 °F 21.0 °F 49% 30.11 in 10.0 mi West 21.9 mph 27.6 mph N/A   Partly Cloudy
6:53 PM 39.0 °F 29.6 °F 19.9 °F 46% 30.13 in 10.0 mi West 18.4 mph - N/A   Clear
7:53 PM 37.9 °F 28.5 °F 19.0 °F 47% 30.14 in 10.0 mi West 17.3 mph 29.9 mph N/A   Clear
8:53 PM 37.9 °F 29.6 °F 19.9 °F 48% 30.15 in 10.0 mi WNW 13.8 mph 24.2 mph N/A   Clear
9:53 PM 37.0 °F 28.9 °F 19.9 °F 50% 30.18 in 10.0 mi West 12.7 mph - N/A   Clear
10:53 PM 34.0 °F 28.0 °F 21.9 °F 61% 30.21 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:53 PM 33.1 °F 23.0 °F 23.0 °F 66% 30.23 in 10.0 mi NW 15.0 mph - N/A   Mostly Cloudy