Weather History for Bozeman, MT

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Thursday, December 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 17 °F 21 °F  
Max Temperature 29 °F 33 °F 53 °F (1946)
Min Temperature 4 °F 9 °F -14 °F (1972)
Degree Days  
Heating Degree Days 48    
Month to date heating degree days 443  
Since 1 July heating degree days 2339  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 284  
Moisture  
Dew Point 12 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.00 in 0.02 in 0.15 in (1935)
Month to date precipitation 0.62 0.25  
Year to date precipitation 9.27 13.72  
Snow  
Snow 0.00 in 0.20 in 1.80 in (1971)
Month to date snowfall 2.1 2.9  
Since 1 July snowfall 12.6 10.3  
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 13, 2012 Rise Set
Actual Time 7:57 AM MST 4:40 PM MST
Civil Twilight 7:23 AM MST 5:14 PM MST
Nautical Twilight 6:45 AM MST 5:52 PM MST
Astronomical Twilight 6:09 AM MST 6:28 PM MST
Moon 8:08 AM MST (12/13) 5:28 PM MST (12/13)
Length of Visible Light 9h 51m
Length of Day
8h 42m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
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 24.1 °F 15.2 °F 21.0 °F 88% 29.94 in 10.0 mi South 8.1 mph - N/A   Clear
1:49 AM 19.4 °F 14.3 °F 17.6 °F 93% 29.84 in 1.5 mi WNW 3.5 mph - N/A   Partly Cloudy
1:51 AM 19.4 °F - 17.6 °F 93% 29.84 in 0.8 mi Calm Calm - N/A   Mist
1:56 AM 19.4 °F - 17.6 °F 93% 29.84 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
2:11 AM 19.4 °F - 17.6 °F 93% 29.84 in 0.8 mi Calm Calm - N/A   Mist
2:16 AM 17.6 °F - 15.8 °F 93% 29.84 in 1.2 mi Calm Calm - N/A   Scattered Clouds
2:24 AM 17.6 °F 12.3 °F 15.8 °F 93% 29.84 in 0.8 mi SW 3.5 mph - N/A   Mist
2:30 AM 19.4 °F 12.8 °F 17.6 °F 93% 29.84 in 1.2 mi SSW 4.6 mph - N/A   Partly Cloudy
2:34 AM 17.6 °F 10.7 °F 15.8 °F 93% 29.85 in 3.0 mi SSW 4.6 mph - N/A   Clear
2:56 AM 17.1 °F 10.0 °F 15.1 °F 92% 29.98 in 7.0 mi SSW 4.6 mph - N/A   Clear
3:18 AM 15.8 °F - 14.0 °F 93% 29.86 in 2.5 mi Calm Calm - N/A   Partly Cloudy
3:29 AM 14.0 °F - 10.4 °F 86% 29.86 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
3:32 AM 15.8 °F - 12.2 °F 86% 29.86 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
3:35 AM 15.8 °F - 12.2 °F 86% 29.86 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:56 AM 10.9 °F 2.9 °F 10.0 °F 96% 30.01 in 0.2 mi ESE 4.6 mph - N/A Fog Light Freezing Fog
4:21 AM 12.2 °F 6.1 °F 10.4 °F 92% 29.86 in 1.0 mi SE 3.5 mph - N/A   Mist
4:23 AM 12.2 °F - 10.4 °F 92% 29.86 in 1.8 mi Calm Calm - N/A   Scattered Clouds
4:26 AM 14.0 °F - 10.4 °F 86% 29.86 in 3.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 10.4 °F - 8.6 °F 92% 29.87 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 9.0 °F 2.4 °F 6.1 °F 88% 30.03 in 10.0 mi East 3.5 mph - N/A   Clear
6:56 AM 12.0 °F 4.1 °F 8.1 °F 84% 30.04 in 10.0 mi South 4.6 mph - N/A   Clear
7:56 AM 6.1 °F - 3.9 °F 91% 30.07 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 10.9 °F - 8.1 °F 88% 30.09 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 12.9 °F - 10.9 °F 92% 30.09 in 10.0 mi Calm Calm - N/A   Clear
10:56 AM 15.1 °F - 14.0 °F 95% 30.07 in 6.0 mi Calm Calm - N/A   Scattered Clouds
11:56 AM 19.0 °F - 16.0 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
12:56 PM 19.9 °F - 17.1 °F 89% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
1:56 PM 21.9 °F - 17.1 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 PM 21.9 °F - 19.0 °F 89% 29.99 in 10.0 mi Calm Calm - N/A   Clear
5:56 PM 14.0 °F - 10.9 °F 88% 30.01 in 8.0 mi Calm Calm - N/A   Clear
6:56 PM 14.0 °F - 10.9 °F 88% 30.01 in 3.0 mi Calm Calm - N/A   Clear
7:05 PM 12.2 °F 6.1 °F 10.4 °F 92% 29.80 in 1.8 mi South 3.5 mph - N/A   Clear
7:08 PM 12.2 °F 6.1 °F 8.6 °F 85% 29.80 in 0.8 mi South 3.5 mph - N/A   Clear
7:10 PM 12.2 °F 6.1 °F 8.6 °F 85% 29.80 in 5.0 mi South 3.5 mph - N/A   Partly Cloudy
7:34 PM 6.8 °F -2.0 °F 3.2 °F 85% 29.81 in 5.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
7:45 PM 12.2 °F 4.3 °F 8.6 °F 85% 29.80 in 5.0 mi South 4.6 mph - N/A   Scattered Clouds
7:56 PM 12.0 °F 5.9 °F 9.0 °F 88% 30.03 in 6.0 mi South 3.5 mph - N/A   Partly Cloudy
8:56 PM 10.0 °F -0.9 °F 5.0 °F 80% 30.01 in 10.0 mi South 6.9 mph - N/A   Clear
9:56 PM 5.0 °F - -0.0 °F 80% 30.03 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 8.1 °F - 3.9 °F 83% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 PM 12.0 °F - 7.0 °F 80% 29.96 in 7.0 mi Calm Calm - N/A   Mostly Cloudy