Weather History for Bozeman, MT

Monday, December 31, 2012 — View Current Weather Conditions

Monday, December 31, 2012

	Actual	Average	Record
Temperature
Mean Temperature	15 °F	21 °F
Max Temperature	20 °F	34 °F	49 °F (1953)
Min Temperature	9 °F	9 °F	-41 °F (1968)
Degree Days
Heating Degree Days	50
Month to date heating degree days	1331
Since 1 July heating degree days	3227
Cooling Degree Days	0
Month to date cooling degree days	0
Year to date cooling degree days	284
Moisture
Dew Point	8 °F
Average Humidity	73
Maximum Humidity	83
Minimum Humidity	62
Precipitation
Precipitation	0.00 in	0.02 in	0.65 in (1940)
Month to date precipitation	0.70	0.52
Year to date precipitation	9.35	13.99
Snow
Snow	0.00 in	0.10 in	2.00 in (1969)
Month to date snowfall	4.1	6.0
Since 1 July snowfall	14.6	13.4
Snow Depth	2.00 in
Sea Level Pressure
Sea Level Pressure	30.31 in
Wind
Wind Speed	2 mph (SSW)
Max Wind Speed	8 mph
Max Gust Speed	9 mph
Visibility	10 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Astronomy

Dec. 31, 2012	Rise	Set
Actual Time	8:05 AM MST	4:50 PM MST
Civil Twilight	7:31 AM MST	5:24 PM MST
Nautical Twilight	6:53 AM MST	6:02 PM MST
Astronomical Twilight	6:17 AM MST	6:38 PM MST
Moon	8:36 PM MST (12/31)	9:38 AM MST (12/31)
Length Of Visible Light	9h 53m
Length of Day	8h 44m

Waning Gibbous, 90% of the Moon is Illuminated
Dec 31 Waning Gibbous	Jan 4 Last Quarter	Jan 11 New	Jan 18 First Quarter	Jan 26 Full

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Hourly Weather History & Observations

Time (MST)	Temp.	Windchill	Dew Point	Humidity	Pressure	Visibility	Wind Dir	Wind Speed	Gust Speed	Precip	Conditions
12:56 AM	9.0 °F	2.4 °F	3.9 °F	80%	30.27 in	10.0 mi	East	3.5 mph	-	N/A	Overcast
1:56 AM	10.9 °F	-	6.1 °F	81%	30.27 in	10.0 mi	Calm	Calm	-	N/A	Overcast
2:56 AM	12.0 °F	-	7.0 °F	80%	30.29 in	10.0 mi	Calm	Calm	-	N/A	Overcast
3:56 AM	12.0 °F	1.5 °F	6.1 °F	77%	30.30 in	10.0 mi	SSW	6.9 mph	-	N/A	Overcast
4:56 AM	10.9 °F	2.9 °F	6.1 °F	81%	30.30 in	10.0 mi	ENE	4.6 mph	-	N/A	Overcast
5:56 AM	10.9 °F	4.7 °F	6.1 °F	81%	30.33 in	10.0 mi	SSE	3.5 mph	-	N/A	Overcast
6:56 AM	8.6 °F	-	5.0 °F	85%	30.08 in	10.0 mi	Calm	Calm	-	N/A	Overcast
7:56 AM	12.0 °F	5.9 °F	7.0 °F	80%	30.33 in	10.0 mi	SSW	3.5 mph	-	N/A	Overcast
8:56 AM	12.9 °F	-	7.0 °F	77%	30.35 in	10.0 mi	Calm	Calm	-	N/A	Overcast
9:56 AM	12.0 °F	4.1 °F	7.0 °F	80%	30.38 in	8.0 mi	West	4.6 mph	-	N/A	Overcast
10:56 AM	15.1 °F	-	8.1 °F	74%	30.36 in	8.0 mi	Calm	Calm	-	N/A	Mostly Cloudy
11:56 AM	17.1 °F	11.7 °F	8.1 °F	68%	30.31 in	10.0 mi	North	3.5 mph	-	N/A	Clear
12:56 PM	15.1 °F	9.4 °F	8.1 °F	74%	30.31 in	10.0 mi	NNW	3.5 mph	-	N/A	Clear
1:56 PM	15.1 °F	6.4 °F	8.1 °F	74%	30.31 in	10.0 mi	WNW	5.8 mph	-	N/A	Scattered Clouds
2:56 PM	19.0 °F	13.9 °F	9.0 °F	65%	30.28 in	10.0 mi	West	3.5 mph	-	N/A	Overcast
3:56 PM	19.0 °F	-	9.0 °F	65%	30.30 in	10.0 mi	Calm	Calm	-	N/A	Overcast
4:56 PM	19.0 °F	-	10.0 °F	68%	30.31 in	10.0 mi	Calm	Calm	-	N/A	Overcast
5:56 PM	18.0 °F	-	10.9 °F	74%	30.31 in	10.0 mi	Calm	Calm	-	N/A	Overcast
6:56 PM	19.0 °F	-	10.0 °F	68%	30.32 in	10.0 mi	Calm	Calm	-	N/A	Overcast
7:56 PM	19.0 °F	-	12.0 °F	74%	30.32 in	10.0 mi	Calm	Calm	-	N/A	Overcast
8:56 PM	18.0 °F	-	12.0 °F	78%	30.32 in	10.0 mi	Calm	Calm	-	N/A	Overcast
9:56 PM	19.0 °F	-	10.9 °F	71%	30.34 in	10.0 mi	Calm	Calm	-	N/A	Overcast
10:56 PM	18.0 °F	12.7 °F	12.0 °F	78%	30.36 in	10.0 mi	SSE	3.5 mph	-	N/A	Overcast
11:56 PM	19.0 °F	12.3 °F	12.9 °F	77%	30.36 in	10.0 mi	SSE	4.6 mph	-	N/A	Overcast
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