Helena, MT

6:21 AM MDT on July 29, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - March, 2012

Change the Weather History Date:

Sunday, March 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 34 °F 37 °F  
Max Temperature 38 °F 49 °F 76 °F (2017)
Min Temperature 29 °F 25 °F -13 °F (1943)
Degree Days  
Heating Degree Days 31 28  
Month to date heating degree days 454 555  
Since 1 July heating degree days 5574 6116  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 30 °F    
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.25 in 0.02 in 0.36 in (2006)
Month to date precipitation 0.51 0.30  
Year to date precipitation 2.34 0.96  
Snow  
Snow 1.40 in 0.20 in 5.00 in (1913)
Month to date snowfall 1.4 3.7  
Since 1 July snowfall 40.1 31.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.43 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 6 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Mar. 18, 2012 Rise Set
Actual Time 7:33 AM MDT 7:38 PM MDT
Civil Twilight 7:03 AM MDT 8:08 PM MDT
Nautical Twilight 6:28 AM MDT 8:44 PM MDT
Astronomical Twilight 5:52 AM MDT 9:20 PM MDT
Moon 5:27 AM MDT (3/18) 3:58 PM MDT (3/18)
Length of Visible Light 13h 05m
Length of Day
12h 04m
Waning Crescent, 14% of the Moon is Illuminated
Mar 18
Waning Crescent
Mar 22
New
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 35.1 °F 28.6 °F 34.0 °F 96% 29.56 in 9.0 mi WNW 8.1 mph - 0.02 in   Overcast
1:03 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.48 in 9.0 mi WNW 4.6 mph - 0.01 in   Overcast
1:53 AM 35.1 °F - 34.0 °F 96% 29.55 in 10.0 mi Calm Calm - 0.01 in   Overcast
2:53 AM 35.1 °F 31.0 °F 33.1 °F 92% 29.52 in 10.0 mi SSE 4.6 mph - 0.01 in   Overcast
3:53 AM 35.1 °F 31.0 °F 32.0 °F 89% 29.54 in 10.0 mi West 4.6 mph - N/A   Overcast
4:53 AM 35.1 °F 28.6 °F 30.9 °F 85% 29.51 in 10.0 mi WSW 8.1 mph - N/A   Overcast
5:53 AM 34.0 °F 31.0 °F 30.9 °F 89% 29.52 in 10.0 mi West 3.5 mph - N/A   Overcast
6:53 AM 34.0 °F 31.0 °F 30.9 °F 89% 29.50 in 10.0 mi West 3.5 mph - N/A   Overcast
7:16 AM 35.6 °F 32.8 °F 30.2 °F 81% 29.42 in 10.0 mi WSW 3.5 mph - N/A   Overcast
7:53 AM 35.1 °F 28.6 °F 30.0 °F 82% 29.49 in 10.0 mi West 8.1 mph - N/A   Overcast
8:19 AM 35.6 °F 31.7 °F 30.2 °F 81% 29.41 in 10.0 mi WSW 4.6 mph - N/A   Overcast
8:53 AM 36.0 °F 30.3 °F 30.0 °F 79% 29.49 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:40 AM 37.4 °F 32.8 °F 30.2 °F 75% 29.39 in 10.0 mi WSW 5.8 mph - N/A   Overcast
9:53 AM 37.0 °F 31.6 °F 28.9 °F 73% 29.46 in 10.0 mi West 6.9 mph - N/A   Overcast
10:53 AM 37.9 °F 32.1 °F 28.9 °F 70% 29.44 in 10.0 mi West 8.1 mph - N/A   Overcast
11:53 AM 37.9 °F 32.7 °F 30.9 °F 76% 29.42 in 10.0 mi WNW 6.9 mph - 0.00 in   Overcast
12:53 PM 36.0 °F 28.0 °F 30.9 °F 82% 29.41 in 10.0 mi West 11.5 mph - N/A   Overcast
1:34 PM 33.8 °F 25.8 °F 32.0 °F 93% 29.30 in 2.0 mi WNW 10.4 mph - 0.01 in Snow Light Snow
1:51 PM 33.8 °F 24.3 °F 33.8 °F 100% 29.30 in 2.5 mi West 13.8 mph - 0.02 in Snow Light Snow
1:53 PM 34.0 °F 25.0 °F 32.0 °F 92% 29.40 in 2.5 mi West 12.7 mph - 0.02 in Snow Light Snow
2:07 PM 33.8 °F 22.8 °F 32.0 °F 93% 29.32 in 5.0 mi West 18.4 mph - 0.00 in Snow Light Snow
2:20 PM 33.8 °F 22.5 °F 30.2 °F 87% 29.33 in 10.0 mi West 19.6 mph - N/A   Overcast
2:30 PM 33.8 °F 23.9 °F 30.2 °F 87% 29.35 in 2.0 mi West 15.0 mph 24.2 mph 0.01 in Snow Light Snow
2:37 PM 33.8 °F 23.5 °F 32.0 °F 93% 29.37 in 1.5 mi West 16.1 mph - 0.02 in Snow Light Snow
2:53 PM 32.0 °F 23.0 °F 32.0 °F 100% 29.45 in 1.2 mi NW 11.5 mph - 0.05 in Snow Light Snow
3:12 PM 32.0 °F 21.6 °F 30.2 °F 93% 29.34 in 0.8 mi NNW 15.0 mph - 0.01 in Snow Light Snow
3:24 PM 32.0 °F 23.6 °F 30.2 °F 93% 29.35 in 0.5 mi NNW 10.4 mph - 0.03 in Fog , Snow Snow
3:40 PM 32.0 °F 27.5 °F 30.2 °F 93% 29.36 in 0.8 mi WNW 4.6 mph - 0.04 in Snow Light Snow
3:47 PM 32.0 °F 28.7 °F 30.2 °F 93% 29.36 in 1.0 mi WNW 3.5 mph - 0.04 in Snow Light Snow
3:48 PM 32.0 °F 26.4 °F 30.9 °F 96% 29.47 in 1.0 mi WNW 5.8 mph - 0.05 in Snow Light Snow
3:58 PM 32.0 °F 25.6 °F 30.2 °F 93% 29.36 in 0.8 mi WNW 6.9 mph - 0.00 in Snow Light Snow
4:19 PM 33.8 °F 27.7 °F 32.0 °F 93% 29.37 in 1.0 mi West 6.9 mph - 0.02 in Snow Light Snow
4:26 PM 33.8 °F 27.7 °F 32.0 °F 93% 29.38 in 1.2 mi West 6.9 mph - 0.02 in Snow Light Snow
4:48 PM 33.8 °F 27.0 °F 30.2 °F 87% 29.38 in 1.5 mi West 8.1 mph - 0.02 in Snow Light Snow
4:53 PM 33.1 °F 26.1 °F 30.9 °F 92% 29.49 in 2.0 mi WNW 8.1 mph - 0.02 in Snow Light Snow
4:58 PM 33.8 °F 25.8 °F 30.2 °F 87% 29.39 in 3.0 mi West 10.4 mph - 0.00 in Snow Light Snow
5:20 PM 33.8 °F 27.0 °F 30.2 °F 87% 29.40 in 10.0 mi West 8.1 mph - 0.00 in   Overcast
5:42 PM 35.6 °F 31.7 °F 30.2 °F 81% 29.40 in 10.0 mi NW 4.6 mph - N/A   Overcast
5:53 PM 35.1 °F 31.0 °F 30.0 °F 82% 29.51 in 10.0 mi North 4.6 mph - 0.00 in   Overcast
6:14 PM 35.6 °F 32.8 °F 30.2 °F 81% 29.40 in 10.0 mi North 3.5 mph - N/A   Overcast
6:53 PM 34.0 °F 28.0 °F 30.0 °F 85% 29.52 in 10.0 mi North 6.9 mph - N/A   Overcast
7:27 PM 33.8 °F 28.6 °F 28.4 °F 81% 29.42 in 10.0 mi North 5.8 mph - N/A   Overcast
7:53 PM 33.1 °F 27.7 °F 28.9 °F 85% 29.53 in 10.0 mi NW 5.8 mph - N/A   Overcast
8:46 PM 33.8 °F 27.0 °F 28.4 °F 81% 29.42 in 10.0 mi WNW 8.1 mph - N/A   Overcast
8:53 PM 33.1 °F 26.1 °F 28.0 °F 82% 29.52 in 10.0 mi WNW 8.1 mph - N/A   Overcast
9:16 PM 32.0 °F 23.6 °F 28.4 °F 87% 29.41 in 9.0 mi West 10.4 mph - 0.00 in Snow Light Snow
9:53 PM 32.0 °F 23.6 °F 28.9 °F 88% 29.52 in 8.0 mi WNW 10.4 mph - 0.00 in Snow Light Snow
10:53 PM 30.2 °F 22.6 °F 28.4 °F 93% 29.43 in 2.0 mi NW 8.1 mph - N/A Snow Light Snow
11:14 PM 30.2 °F 24.3 °F 28.4 °F 93% 29.43 in 1.5 mi NW 5.8 mph - 0.01 in Snow Light Snow
11:41 PM 30.2 °F 23.4 °F 28.4 °F 93% 29.44 in 1.5 mi West 6.9 mph - 0.03 in Snow Light Snow
11:46 PM 30.2 °F 23.4 °F 28.4 °F 93% 29.44 in 1.5 mi West 6.9 mph - 0.03 in Snow Light Snow
11:53 PM 30.0 °F 23.2 °F 28.0 °F 92% 29.55 in 1.2 mi WNW 6.9 mph - 0.03 in Snow Light Snow