Weather History for Bozeman, MT

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Wednesday, December 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 10 °F 20 °F  
Max Temperature 20 °F 32 °F 55 °F (2004)
Min Temperature -1 °F 8 °F -25 °F (1949)
Degree Days  
Heating Degree Days 55 45  
Month to date heating degree days 728 824  
Since 1 July heating degree days 2624 2705  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 284 368  
Moisture  
Dew Point -2 °F    
Average Humidity 66    
Maximum Humidity 86    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.01 in 0.22 in (1951)
Month to date precipitation 0.70 0.34  
Year to date precipitation 9.35 13.81  
Snow  
Snow 0.00 in 0.20 in 3.20 in (1949)
Month to date snowfall 4.1 4.1  
Since 1 July snowfall 14.6 11.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 8:02 AM MST 4:42 PM MST
Civil Twilight 7:27 AM MST 5:16 PM MST
Nautical Twilight 6:49 AM MST 5:54 PM MST
Astronomical Twilight 6:13 AM MST 6:30 PM MST
Moon 11:52 AM MST (12/19) No Moon Set
Length of Visible Light 9h 49m
Length of Day
8h 40m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM -0.9 °F -12.7 °F -5.1 °F 83% 30.10 in 10.0 mi ESE 5.8 mph - N/A   Clear
1:56 AM 6.1 °F - -2.0 °F 69% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
2:56 AM 5.0 °F -2.1 °F -2.0 °F 73% 30.09 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
3:56 AM 3.9 °F -8.2 °F -2.9 °F 73% 30.12 in 10.0 mi SE 6.9 mph - N/A   Overcast
4:56 AM 3.0 °F -8.0 °F -4.0 °F 73% 30.14 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
5:56 AM 7.0 °F - -2.0 °F 67% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
6:56 AM 5.0 °F - -2.9 °F 70% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 3.9 °F -3.4 °F -0.9 °F 80% 30.21 in 10.0 mi SE 3.5 mph - N/A   Overcast
8:56 AM 3.0 °F - -2.0 °F 80% 30.24 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 3.0 °F -4.4 °F -4.0 °F 73% 30.27 in 9.0 mi SE 3.5 mph - 0.00 in   Clear
10:56 AM 9.0 °F 2.4 °F -0.0 °F 67% 30.29 in 10.0 mi NNE 3.5 mph - N/A   Clear
11:56 AM 14.0 °F - -0.0 °F 54% 30.26 in 10.0 mi Calm Calm - N/A   Clear
12:56 PM 16.0 °F - 1.9 °F 54% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:56 PM 19.0 °F - 3.0 °F 50% 30.24 in 10.0 mi Calm Calm - N/A   Clear
2:56 PM 19.0 °F 9.0 °F 1.9 °F 47% 30.24 in 10.0 mi ENE 8.1 mph - N/A   Clear
3:56 PM 17.1 °F 6.6 °F 1.0 °F 50% 30.26 in 10.0 mi ENE 8.1 mph - N/A   Clear
4:56 PM 15.1 °F 6.4 °F -0.9 °F 49% 30.27 in 10.0 mi ENE 5.8 mph - N/A   Clear
5:56 PM 12.0 °F 2.7 °F -0.9 °F 56% 30.28 in 10.0 mi SSE 5.8 mph - N/A   Clear
6:56 PM 7.0 °F -5.7 °F -2.9 °F 64% 30.32 in 10.0 mi SSE 8.1 mph - N/A   Clear
7:56 PM 8.1 °F -0.5 °F -2.9 °F 61% 30.34 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
8:56 PM 3.9 °F -8.2 °F -4.0 °F 70% 30.35 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
9:56 PM 3.9 °F -11.3 °F -2.9 °F 73% 30.36 in 10.0 mi SSE 10.4 mph - N/A   Clear
10:56 PM 3.0 °F - -6.0 °F 66% 30.35 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 1.9 °F -5.6 °F -5.1 °F 72% 30.36 in 10.0 mi East 3.5 mph - N/A   Clear