History for Helena, MT

Friday, January 18, 2013 — View Current Conditions
Friday, January 18, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 34 °F 24 °F  
Max Temperature 49 °F 34 °F 57 °F (1919)
Min Temperature 18 °F 13 °F -34 °F (1883)
Degree Days
Heating Degree Days 31 41  
Month to date heating degree days 830 770  
Since 1 July heating degree days 3751 3991  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 15 °F    
Average Humidity 55    
Maximum Humidity 84    
Minimum Humidity 25    
Precipitation
Precipitation 0.00 in 0.01 in 0.71 in (2012)
Month to date precipitation 0.35 0.22  
Year to date precipitation 0.35 0.22  
Sea Level Pressure
Sea Level Pressure 30.22 in    
Wind
Wind Speed 7 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 22, 2013 Rise Set
Actual Time 8:05 AM MST 5:11 PM MST
Civil Twilight 7:31 AM MST 5:45 PM MST
Nautical Twilight 6:54 AM MST 6:22 PM MST
Astronomical Twilight 6:18 AM MST 6:58 PM MST
Moon 11:15 AM MST (1/18) 12:34 AM MST (1/18)
Length Of Visible Light 10h 13m
Length of Day
9h 06m
Waxing Crescent, 48% of the Moon is Illuminated
Jan 18
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 25.0 °F 19.3 °F 15.1 °F 66% 30.34 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:53 AM 21.9 °F 14.5 °F 15.1 °F 75% 30.34 in 10.0 mi WSW 5.8 mph - N/A   Clear
2:53 AM 19.9 °F 7.9 °F 15.1 °F 81% 30.32 in 10.0 mi East 11.5 mph - N/A   Clear
3:53 AM 24.1 °F 19.7 °F 16.0 °F 71% 30.29 in 10.0 mi Variable 3.5 mph - N/A   Clear
4:53 AM 23.0 °F 18.4 °F 16.0 °F 74% 30.29 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:53 AM 19.9 °F - 15.1 °F 81% 30.31 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 23.0 °F 18.4 °F 15.1 °F 72% 30.30 in 10.0 mi NE 3.5 mph - N/A   Clear
7:53 AM 26.1 °F 21.9 °F 15.1 °F 63% 30.28 in 10.0 mi ESE 3.5 mph - N/A   Clear
8:53 AM 21.0 °F 13.4 °F 12.9 °F 71% 30.30 in 10.0 mi Variable 5.8 mph - N/A   Clear
9:53 AM 23.0 °F 15.8 °F 15.1 °F 72% 30.29 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:53 AM 23.0 °F 18.4 °F 16.0 °F 74% 30.28 in 10.0 mi SE 3.5 mph - N/A   Clear
11:53 AM 28.0 °F 21.7 °F 18.0 °F 66% 30.25 in 10.0 mi West 5.8 mph - N/A   Clear
12:53 PM 30.0 °F - 18.0 °F 61% 30.19 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 35.1 °F 31.0 °F 21.9 °F 59% 30.16 in 10.0 mi NW 4.6 mph - N/A   Clear
2:53 PM 37.0 °F 34.5 °F 23.0 °F 57% 30.16 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:35 PM 48.2 °F - 15.8 °F 27% 30.00 in 10.0 mi WNW 10.4 mph - N/A   Clear
3:53 PM 46.9 °F - 16.0 °F 29% 30.11 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:53 PM 46.9 °F - 15.1 °F 28% 30.12 in 10.0 mi West 15.0 mph 24.2 mph N/A   Clear
5:53 PM 45.0 °F 40.1 °F 14.0 °F 29% 30.15 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
6:53 PM 44.1 °F 37.4 °F 15.1 °F 31% 30.17 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
7:41 PM 42.8 °F 38.6 °F 14.0 °F 31% 30.06 in 10.0 mi West 6.9 mph - N/A   Clear
7:53 PM 44.1 °F 39.0 °F 12.0 °F 27% 30.20 in 10.0 mi West 9.2 mph 19.6 mph N/A   Clear
8:53 PM 43.0 °F 35.1 °F 14.0 °F 31% 30.21 in 10.0 mi West 17.3 mph 28.8 mph N/A   Clear
9:53 PM 43.0 °F 38.2 °F 12.0 °F 28% 30.24 in 10.0 mi NNW 8.1 mph 17.3 mph N/A   Clear
10:53 PM 44.6 °F 42.2 °F 10.4 °F 25% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:53 PM 39.9 °F 32.1 °F 12.9 °F 33% 30.25 in 10.0 mi West 13.8 mph - N/A   Clear
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