Weather History for Great Falls, MT

Wednesday, December 19, 2012 — View Current Weather Conditions

Wednesday, December 19, 2012

	Actual	Average	Record
Temperature
Mean Temperature	22 °F	24 °F
Max Temperature	32 °F	34 °F	59 °F (2004)
Min Temperature	12 °F	14 °F	-25 °F (1990)
Degree Days
Heating Degree Days	43	41
Month to date heating degree days	619	756
Since 1 July heating degree days	2236	2725
Cooling Degree Days	0	0
Month to date cooling degree days	0	0
Year to date cooling degree days	484	298
Moisture
Dew Point	7 °F
Average Humidity	50
Maximum Humidity	67
Minimum Humidity	32
Precipitation
Precipitation	0.00 in	0.02 in	0.34 in (1925)
Month to date precipitation	0.22	0.34
Year to date precipitation	12.80	14.54
Snow
Snow	0.00 in	0.40 in	4.50 in (1925)
Month to date snowfall	5.7	5.6
Since 1 July snowfall	27.4	19.3
Snow Depth	T in
Sea Level Pressure
Sea Level Pressure	30.04 in
Wind
Wind Speed	18 mph (SW)
Max Wind Speed	35 mph
Max Gust Speed	43 mph
Visibility	10 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Astronomy

Dec. 19, 2012	Rise	Set
Actual Time	8:09 AM MST	4:36 PM MST
Civil Twilight	7:33 AM MST	5:12 PM MST
Nautical Twilight	6:54 AM MST	5:51 PM MST
Astronomical Twilight	6:16 AM MST	6:28 PM MST
Moon	11:52 AM MST	No Moon Set
Length Of Visible Light	9h 38m
Length of Day	8h 26m

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

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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
12:53 AM	15.1 °F	2.5 °F	6.1 °F	68%	29.98 in	10.0 mi	SSW	10.4 mph	-	N/A	Clear
1:53 AM	18.0 °F	6.1 °F	8.1 °F	65%	29.97 in	10.0 mi	South	10.4 mph	-	N/A	Clear
2:53 AM	21.0 °F	9.3 °F	9.0 °F	60%	29.97 in	10.0 mi	SW	11.5 mph	-	N/A	Mostly Cloudy
3:53 AM	21.0 °F	8.6 °F	9.0 °F	60%	29.97 in	10.0 mi	SW	12.7 mph	-	N/A	Clear
4:53 AM	21.9 °F	8.7 °F	9.0 °F	58%	29.99 in	10.0 mi	SW	15.0 mph	-	N/A	Mostly Cloudy
5:53 AM	19.9 °F	6.7 °F	8.1 °F	60%	30.03 in	10.0 mi	SW	13.8 mph	-	N/A	Clear
6:53 AM	19.9 °F	5.7 °F	8.1 °F	60%	30.05 in	10.0 mi	SW	16.1 mph	-	N/A	Clear
7:53 AM	19.9 °F	6.2 °F	7.0 °F	57%	30.08 in	10.0 mi	SSW	15.0 mph	-	N/A	Clear
8:53 AM	21.0 °F	7.6 °F	8.1 °F	57%	30.09 in	10.0 mi	SSW	15.0 mph	-	N/A	Clear
9:53 AM	25.0 °F	10.9 °F	9.0 °F	51%	30.09 in	10.0 mi	SW	19.6 mph	25.3 mph	N/A	Clear
10:53 AM	28.0 °F	14.9 °F	9.0 °F	45%	30.09 in	10.0 mi	SW	19.6 mph	27.6 mph	N/A	Clear
11:53 AM	30.0 °F	17.2 °F	7.0 °F	38%	30.09 in	10.0 mi	SW	20.7 mph	28.8 mph	N/A	Clear
12:53 PM	30.9 °F	19.8 °F	7.0 °F	37%	30.07 in	10.0 mi	SW	16.1 mph	26.5 mph	N/A	Clear
1:53 PM	30.9 °F	19.8 °F	7.0 °F	37%	30.05 in	10.0 mi	SW	16.1 mph	-	N/A	Clear
2:53 PM	30.9 °F	17.5 °F	5.0 °F	33%	30.04 in	10.0 mi	SW	24.2 mph	-	N/A	Clear
3:53 PM	28.9 °F	16.9 °F	6.1 °F	38%	30.06 in	10.0 mi	SW	17.3 mph	-	N/A	Clear
4:53 PM	25.0 °F	12.6 °F	6.1 °F	45%	30.06 in	10.0 mi	SSW	15.0 mph	-	N/A	Clear
5:53 PM	26.1 °F	12.7 °F	5.0 °F	41%	30.06 in	10.0 mi	SSW	18.4 mph	-	N/A	Clear
6:53 PM	28.0 °F	13.9 °F	5.0 °F	38%	30.04 in	10.0 mi	SSW	23.0 mph	32.2 mph	N/A	Clear
7:53 PM	28.9 °F	14.5 °F	5.0 °F	36%	30.05 in	10.0 mi	SW	25.3 mph	33.4 mph	N/A	Clear
8:53 PM	30.0 °F	15.4 °F	6.1 °F	36%	30.05 in	10.0 mi	SW	27.6 mph	36.8 mph	N/A	Clear
9:53 PM	28.9 °F	16.1 °F	8.1 °F	41%	30.04 in	10.0 mi	SSW	19.6 mph	-	N/A	Clear
10:53 PM	30.0 °F	16.6 °F	8.1 °F	40%	30.03 in	10.0 mi	SSW	23.0 mph	-	N/A	Clear
11:53 PM	28.9 °F	12.5 °F	8.1 °F	41%	29.99 in	10.0 mi	SSW	34.5 mph	40.3 mph	N/A	Clear
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