Weather History for Helena, MT

Friday, February 15, 2013 — View Current Weather Conditions

Friday, February 15, 2013

	Actual	Average	Record
Temperature
Mean Temperature	36 °F	28 °F
Max Temperature	45 °F	39 °F	58 °F (1982)
Min Temperature	27 °F	17 °F	-33 °F (1936)
Degree Days
Heating Degree Days	29	37
Month to date heating degree days	484	580
Since 1 July heating degree days	4693	5098
Cooling Degree Days	0	0
Month to date cooling degree days	0	0
Year to date cooling degree days	0	0
Moisture
Dew Point	23 °F
Average Humidity	59
Maximum Humidity	69
Minimum Humidity	48
Precipitation
Precipitation	0.00 in	0.01 in	0.30 in (1986)
Month to date precipitation	0.27	0.15
Year to date precipitation	0.62	0.51
Snow
Snow	0.00 in	0.20 in	5.30 in (1942)
Month to date snowfall	5.8	2.8
Since 1 July snowfall	35.2	25.1
Snow Depth	2.00 in
Sea Level Pressure
Sea Level Pressure	30.43 in
Wind
Wind Speed	9 mph (West)
Max Wind Speed	21 mph
Max Gust Speed	26 mph
Visibility	10 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Astronomy

Feb. 15, 2013	Rise	Set
Actual Time	7:31 AM MST	5:53 PM MST
Civil Twilight	7:00 AM MST	6:24 PM MST
Nautical Twilight	6:24 AM MST	7:00 PM MST
Astronomical Twilight	5:49 AM MST	7:35 PM MST
Moon	9:45 AM MST (2/15)	No Moon Set
Length Of Visible Light	11h 24m
Length of Day	10h 22m

Waxing Crescent, 31% of the Moon is Illuminated
Feb 15 Waxing Crescent	Feb 17 First Quarter	Feb 25 Full	Mar 4 Last Quarter	Mar 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	34.0 °F	23.8 °F	21.0 °F	59%	30.49 in	10.0 mi	West	16.1 mph	-	N/A	Overcast
1:53 AM	33.1 °F	23.0 °F	19.9 °F	59%	30.48 in	10.0 mi	West	15.0 mph	-	N/A	Partly Cloudy
2:53 AM	32.0 °F	24.2 °F	19.0 °F	59%	30.49 in	10.0 mi	WNW	9.2 mph	18.4 mph	N/A	Clear
3:53 AM	32.0 °F	25.6 °F	18.0 °F	56%	30.51 in	10.0 mi	NW	6.9 mph	-	N/A	Clear
4:53 AM	28.9 °F	18.2 °F	18.0 °F	64%	30.51 in	10.0 mi	WNW	13.8 mph	-	N/A	Clear
5:53 AM	27.0 °F	18.0 °F	17.1 °F	66%	30.52 in	10.0 mi	NW	9.2 mph	-	N/A	Clear
6:53 AM	28.9 °F	20.4 °F	18.0 °F	64%	30.51 in	10.0 mi	WNW	9.2 mph	-	N/A	Clear
7:53 AM	28.9 °F	25.2 °F	18.0 °F	64%	30.52 in	10.0 mi	South	3.5 mph	-	N/A	Clear
8:53 AM	33.1 °F	28.7 °F	19.0 °F	56%	30.51 in	10.0 mi	West	4.6 mph	-	N/A	Clear
9:53 AM	37.9 °F	35.5 °F	19.9 °F	48%	30.49 in	10.0 mi	Variable	3.5 mph	-	N/A	Clear
10:53 AM	39.0 °F	32.3 °F	23.0 °F	53%	30.47 in	10.0 mi	West	10.4 mph	18.4 mph	N/A	Clear
11:53 AM	39.9 °F	31.1 °F	23.0 °F	51%	30.46 in	10.0 mi	West	17.3 mph	24.2 mph	N/A	Partly Cloudy
12:53 PM	41.0 °F	35.2 °F	25.0 °F	53%	30.44 in	10.0 mi	WNW	9.2 mph	-	N/A	Partly Cloudy
1:53 PM	44.1 °F	39.0 °F	27.0 °F	51%	30.41 in	10.0 mi	West	9.2 mph	17.3 mph	N/A	Clear
2:53 PM	45.0 °F	40.1 °F	26.1 °F	48%	30.40 in	10.0 mi	West	9.2 mph	18.4 mph	N/A	Clear
3:53 PM	44.1 °F	37.1 °F	27.0 °F	51%	30.38 in	10.0 mi	WSW	15.0 mph	-	N/A	Clear
4:53 PM	44.1 °F	39.0 °F	26.1 °F	49%	30.37 in	10.0 mi	West	9.2 mph	-	N/A	Clear
5:53 PM	39.9 °F	32.1 °F	26.1 °F	58%	30.39 in	10.0 mi	West	13.8 mph	21.9 mph	N/A	Clear
6:53 PM	37.9 °F	33.5 °F	25.0 °F	60%	30.38 in	10.0 mi	West	5.8 mph	-	N/A	Clear
7:53 PM	37.0 °F	33.3 °F	25.0 °F	62%	30.38 in	10.0 mi	West	4.6 mph	-	N/A	Clear
8:53 PM	39.0 °F	33.4 °F	26.1 °F	60%	30.36 in	10.0 mi	West	8.1 mph	-	N/A	Clear
9:53 PM	39.0 °F	32.8 °F	25.0 °F	57%	30.34 in	10.0 mi	WSW	9.2 mph	-	N/A	Clear
10:53 PM	33.1 °F	26.9 °F	25.0 °F	72%	30.34 in	10.0 mi	ENE	6.9 mph	-	N/A	Clear
11:53 PM	34.0 °F	-	25.0 °F	70%	30.33 in	10.0 mi	Calm	Calm	-	N/A	Clear
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