Helena, MT

12:57 AM MDT on May 28, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - January, 2012

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Sunday, January 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 23 °F 24 °F  
Max Temperature 34 °F 34 °F 55 °F (1919)
Min Temperature 12 °F 14 °F -29 °F (1962)
Degree Days  
Heating Degree Days 42 41  
Month to date heating degree days 880 934  
Since 1 July heating degree days 3754 4155  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 14 °F    
Average Humidity 58    
Maximum Humidity 73    
Minimum Humidity 43    
Precipitation  
Precipitation T in 0.01 in 0.37 in (1989)
Month to date precipitation 1.23 0.26  
Year to date precipitation 1.23 0.26  
Snow  
Snow T in 0.20 in 4.90 in (1989)
Month to date snowfall 15.7 4.4  
Since 1 July snowfall 28.6 20.5  
Snow Depth 9.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Jan. 22, 2012 Rise Set
Actual Time 8:02 AM MST 5:16 PM MST
Civil Twilight 7:29 AM MST 5:49 PM MST
Nautical Twilight 6:52 AM MST 6:26 PM MST
Astronomical Twilight 6:16 AM MST 7:02 PM MST
Moon 7:21 AM MST (1/22) 5:04 PM MST (1/22)
Length of Visible Light 10h 20m
Length of Day
9h 13m
Waning Crescent, 0% of the Moon is Illuminated
Jan 22
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last 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 32.0 °F 20.8 °F 18.0 °F 56% 29.74 in 10.0 mi West 17.3 mph 23.0 mph N/A   Mostly Cloudy
1:53 AM 32.0 °F 21.6 °F 19.9 °F 61% 29.79 in 10.0 mi West 15.0 mph 23.0 mph N/A   Overcast
2:53 AM 32.0 °F 23.0 °F 19.0 °F 59% 29.81 in 10.0 mi West 11.5 mph 20.7 mph N/A   Mostly Cloudy
3:53 AM 30.2 °F 19.8 °F 21.2 °F 69% 29.71 in 10.0 mi West 13.8 mph 20.7 mph N/A   Mostly Cloudy
4:53 AM 30.0 °F 20.0 °F 17.1 °F 59% 29.86 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
5:53 AM 28.9 °F 18.2 °F 17.1 °F 61% 29.91 in 10.0 mi West 13.8 mph 23.0 mph N/A   Mostly Cloudy
6:53 AM 28.9 °F 18.6 °F 15.1 °F 56% 29.93 in 10.0 mi WSW 12.7 mph 23.0 mph N/A   Clear
7:53 AM 28.9 °F 18.2 °F 12.0 °F 49% 29.94 in 10.0 mi West 13.8 mph 23.0 mph N/A   Scattered Clouds
8:53 AM 28.4 °F 18.5 °F 12.2 °F 51% 29.85 in 10.0 mi West 11.5 mph 19.6 mph N/A   Clear
9:53 AM 30.0 °F 20.5 °F 12.0 °F 47% 30.01 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
10:53 AM 30.9 °F 23.5 °F 12.0 °F 46% 30.01 in 10.0 mi West 8.1 mph - N/A   Clear
11:53 AM 32.0 °F 22.1 °F 12.9 °F 45% 29.99 in 10.0 mi West 13.8 mph - N/A   Clear
12:53 PM 32.0 °F 23.0 °F 12.9 °F 45% 29.98 in 10.0 mi West 11.5 mph - N/A   Clear
1:53 PM 33.1 °F 26.1 °F 15.1 °F 48% 29.95 in 10.0 mi NNW 8.1 mph - N/A   Clear
2:53 PM 28.0 °F 20.0 °F 15.1 °F 58% 29.96 in 10.0 mi SE 8.1 mph - N/A   Clear
3:53 PM 28.0 °F 20.8 °F 14.0 °F 56% 29.95 in 10.0 mi SE 6.9 mph - N/A   Clear
4:53 PM 28.4 °F 21.2 °F 14.0 °F 55% 29.79 in 10.0 mi SSE 6.9 mph - N/A   Clear
5:53 PM 21.9 °F 15.7 °F 12.9 °F 68% 29.94 in 10.0 mi NW 4.6 mph - N/A   Clear
6:53 PM 23.0 °F 18.4 °F 12.0 °F 63% 29.95 in 10.0 mi West 3.5 mph - N/A   Clear
7:53 PM 21.0 °F - 12.0 °F 68% 29.94 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 19.0 °F 11.1 °F 10.9 °F 71% 29.94 in 10.0 mi WSW 5.8 mph - N/A   Clear
9:53 PM 15.1 °F - 9.0 °F 77% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 19.0 °F 12.3 °F 10.0 °F 68% 29.95 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 17.1 °F 11.7 °F 10.9 °F 77% 29.94 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy