Weather History for Bozeman, MT

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Sunday, December 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 17 °F 20 °F  
Max Temperature 31 °F 32 °F 60 °F (1939)
Min Temperature 3 °F 9 °F -27 °F (1964)
Degree Days  
Heating Degree Days 48    
Month to date heating degree days 589  
Since 1 July heating degree days 2485  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 284  
Moisture  
Dew Point 11 °F    
Average Humidity 67    
Maximum Humidity 88    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.02 in 0.25 in (1955)
Month to date precipitation 0.67 0.30  
Year to date precipitation 9.32 13.77  
Snow  
Snow 0.00 in 0.20 in 4.00 in (1967)
Month to date snowfall 4.1 3.5  
Since 1 July snowfall 14.6 10.9  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 16, 2012 Rise Set
Actual Time 8:00 AM MST 4:41 PM MST
Civil Twilight 7:25 AM MST 5:15 PM MST
Nautical Twilight 6:47 AM MST 5:53 PM MST
Astronomical Twilight 6:11 AM MST 6:29 PM MST
Moon 10:26 AM MST (12/16) 9:10 PM MST (12/16)
Length of Visible Light 9h 49m
Length of Day
8h 40m
Waxing Crescent, 16% of the Moon is Illuminated
Dec 16
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 6.1 °F - 3.0 °F 87% 29.80 in 7.0 mi Calm Calm - N/A   Clear
1:56 AM 3.2 °F -4.2 °F -0.4 °F 85% 29.60 in 10.0 mi ESE 3.5 mph - N/A   Clear
2:56 AM 6.1 °F -6.8 °F 1.9 °F 83% 29.78 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
3:56 AM 9.0 °F 0.6 °F 5.0 °F 84% 29.78 in 10.0 mi ESE 4.6 mph - N/A   Overcast
4:56 AM 16.0 °F 7.4 °F 12.0 °F 84% 29.77 in 10.0 mi ESE 5.8 mph - N/A   Overcast
5:56 AM 19.0 °F - 14.0 °F 81% 29.77 in 10.0 mi Calm Calm - N/A   Overcast
6:56 AM 21.0 °F - 16.0 °F 81% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 19.0 °F - 15.1 °F 85% 29.82 in 10.0 mi Calm Calm - N/A   Overcast
8:56 AM 19.9 °F 14.9 °F 16.0 °F 85% 29.83 in 10.0 mi East 3.5 mph - N/A   Overcast
9:56 AM 21.9 °F 17.2 °F 17.1 °F 82% 29.86 in 10.0 mi East 3.5 mph - N/A   Overcast
10:56 AM 25.0 °F 20.7 °F 18.0 °F 75% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Overcast
11:56 AM 30.0 °F - 18.0 °F 61% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
12:56 PM 30.0 °F 19.1 °F 17.1 °F 59% 29.85 in 10.0 mi WSW 15.0 mph - N/A   Partly Cloudy
1:56 PM 30.0 °F 20.0 °F 17.1 °F 59% 29.86 in 10.0 mi SW 12.7 mph - N/A   Clear
2:56 PM 30.0 °F 20.0 °F 12.0 °F 47% 29.86 in 10.0 mi WSW 12.7 mph - N/A   Clear
3:56 PM 28.0 °F 19.3 °F 12.0 °F 51% 29.87 in 10.0 mi SW 9.2 mph - N/A   Clear
4:56 PM 21.9 °F 12.5 °F 8.1 °F 55% 29.87 in 10.0 mi South 8.1 mph - N/A   Clear
5:56 PM 27.0 °F 16.1 °F 9.0 °F 47% 29.85 in 10.0 mi SW 12.7 mph - N/A   Clear
6:56 PM 19.9 °F 11.1 °F 6.1 °F 55% 29.86 in 10.0 mi South 6.9 mph - N/A   Clear
7:56 PM 19.0 °F 7.5 °F 5.0 °F 54% 29.86 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
8:56 PM 12.9 °F 1.6 °F 3.0 °F 65% 29.84 in 10.0 mi SE 8.1 mph - N/A   Clear
9:56 PM 14.0 °F 2.9 °F 6.1 °F 71% 29.79 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
10:56 PM 19.9 °F 10.1 °F 10.9 °F 68% 29.72 in 10.0 mi SE 8.1 mph - N/A   Overcast
11:56 PM 19.0 °F - 12.0 °F 74% 29.66 in 10.0 mi Calm Calm - N/A   Mostly Cloudy