Lewistown, MT

5:08 PM MDT on March 26, 2017 (GMT -0600)
Lewistown Municipal

Weather History for KLWT - December, 2012

Change the Weather History Date:

Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F 23 °F  
Max Temperature 39 °F 33 °F 65 °F (1925)
Min Temperature 16 °F 12 °F -30 °F (1924)
Degree Days  
Heating Degree Days 37 42  
Month to date heating degree days 607 697  
Since 1 July heating degree days 2520 2825  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 314 210  
Moisture  
Dew Point 18 °F    
Average Humidity 56    
Maximum Humidity 64    
Minimum Humidity 47    
Precipitation  
Precipitation T in 0.02 in 0.28 in (1967)
Month to date precipitation 0.30 0.35  
Year to date precipitation 15.30 16.54  
Snow  
Snow 0.00 in - - ()
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 29.41 in    
Wind  
Wind Speed 15 mph (SW)    
Max Wind Speed 30 mph    
Max Gust Speed 37 mph    
Visibility 9 miles    
Events 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

Dec. 17, 2012 Rise Set
Actual Time 7:58 AM MST 4:29 PM MST
Civil Twilight 7:23 AM MST 5:05 PM MST
Nautical Twilight 6:44 AM MST 5:44 PM MST
Astronomical Twilight 6:07 AM MST 6:21 PM MST
Moon 10:52 AM MST (12/17) 10:13 PM MST (12/17)
Length of Visible Light 9h 41m
Length of Day
8h 30m
Waxing Crescent, 25% of the Moon is Illuminated
Dec 17
Waxing Crescent
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
12:54 AM 19.9 °F 10.1 °F 6.1 °F 55% 29.57 in 10.0 mi ESE 8.1 mph - N/A   Clear
1:54 AM 19.9 °F 13.4 °F 5.0 °F 52% 29.53 in 10.0 mi ESE 4.6 mph - N/A   Clear
2:54 AM 21.0 °F 9.9 °F 5.0 °F 50% 29.50 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
3:54 AM 21.9 °F 14.5 °F 7.0 °F 53% 29.47 in 10.0 mi SE 5.8 mph - N/A   Overcast
4:51 AM 28.4 °F 24.6 °F 19.4 °F 69% 29.35 in 3.0 mi WSW 3.5 mph - 0.00 in Snow Light Snow
4:54 AM 28.9 °F - 19.9 °F 69% 29.43 in 3.0 mi Calm Calm - 0.00 in Snow Light Snow
5:07 AM 24.8 °F 16.1 °F 17.6 °F 74% 29.33 in 9.0 mi East 8.1 mph - 0.00 in   Overcast
5:54 AM 25.0 °F 20.7 °F 18.0 °F 75% 29.42 in 10.0 mi Variable 3.5 mph - 0.00 in   Overcast
6:41 AM 33.8 °F 22.8 °F 21.2 °F 60% 29.31 in 10.0 mi SW 18.4 mph - N/A   Overcast
6:54 AM 35.1 °F 23.8 °F 21.9 °F 59% 29.38 in 10.0 mi SW 20.7 mph - N/A   Overcast
7:54 AM 34.0 °F 22.7 °F 23.0 °F 64% 29.37 in 10.0 mi SW 19.6 mph - N/A   Overcast
8:54 AM 35.1 °F 23.3 °F 24.1 °F 64% 29.36 in 10.0 mi SW 23.0 mph - N/A   Mostly Cloudy
9:54 AM 37.0 °F 27.0 °F 25.0 °F 62% 29.35 in 10.0 mi SW 18.4 mph - N/A   Mostly Cloudy
10:54 AM 37.9 °F 28.9 °F 25.0 °F 60% 29.34 in 10.0 mi SW 16.1 mph - N/A   Mostly Cloudy
11:54 AM 37.9 °F 29.2 °F 25.0 °F 60% 29.34 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
12:54 PM 37.0 °F 28.1 °F 25.0 °F 62% 29.34 in 10.0 mi SW 15.0 mph - N/A   Clear
1:54 PM 37.9 °F 28.5 °F 25.0 °F 60% 29.35 in 10.0 mi WSW 17.3 mph - N/A   Scattered Clouds
2:54 PM 37.0 °F 28.5 °F 21.9 °F 54% 29.36 in 10.0 mi WSW 13.8 mph - N/A   Partly Cloudy
5:54 PM 33.1 °F 23.4 °F 21.0 °F 61% 29.42 in 10.0 mi WSW 13.8 mph - N/A   Clear
6:54 PM 32.0 °F 22.1 °F 19.9 °F 61% 29.41 in 10.0 mi SW 13.8 mph - N/A   Clear
7:54 PM 30.0 °F 18.3 °F 18.0 °F 61% 29.44 in 10.0 mi SW 17.3 mph - N/A   Clear
8:54 PM 28.0 °F 14.6 °F 17.1 °F 63% 29.45 in 10.0 mi WSW 20.7 mph - N/A   Clear
9:54 PM 28.0 °F 13.0 °F 15.1 °F 58% 29.45 in 10.0 mi WSW 26.5 mph - N/A   Clear
10:54 PM 28.0 °F 13.9 °F 12.9 °F 53% 29.48 in 10.0 mi WSW 23.0 mph 33.4 mph N/A   Clear
11:54 PM 26.1 °F 12.0 °F 12.0 °F 55% 29.52 in 10.0 mi SW 20.7 mph - N/A   Clear