Weather History for Lewistown, MT

Change the Weather History Date:

Monday, May 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 40 °F 49 °F  
Max Temperature 53 °F 62 °F 88 °F (2001)
Min Temperature 26 °F 36 °F 19 °F (1966)
Degree Days  
Heating Degree Days 25 16  
Month to date heating degree days 269 213  
Since 1 July heating degree days 8159 7720  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 22 °F    
Average Humidity 58    
Maximum Humidity 89    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.09 in 1.19 in (1995)
Month to date precipitation 0.46 0.89  
Year to date precipitation 4.22 4.30  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.44 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

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

May. 12, 2014 Rise Set
Actual Time 5:46 AM MDT 8:43 PM MDT
Civil Twilight 5:10 AM MDT 9:18 PM MDT
Nautical Twilight 4:24 AM MDT 10:04 PM MDT
Astronomical Twilight 3:29 AM MDT 11:00 PM MDT
Moon 6:36 PM MDT (5/12) 4:37 AM MDT (5/12)
Length of Visible Light 16h 08m
Length of Day
14h 57m
Waxing Gibbous, 95% of the Moon is Illuminated
May 12
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 33.1 °F 28.7 °F 30.0 °F 89% 30.43 in 10.0 mi SW 4.6 mph - N/A   Overcast
1:54 AM 33.1 °F 28.7 °F 28.9 °F 85% 30.43 in 10.0 mi SSW 4.6 mph - N/A   Overcast
2:54 AM 32.0 °F 26.4 °F 28.0 °F 85% 30.44 in 10.0 mi WSW 5.8 mph - N/A   Overcast
3:54 AM 28.9 °F 23.9 °F 25.0 °F 85% 30.45 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
4:54 AM 26.1 °F 17.6 °F 23.0 °F 88% 30.46 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
5:54 AM 27.0 °F 17.3 °F 23.0 °F 85% 30.47 in 10.0 mi SW 10.4 mph - N/A   Clear
6:54 AM 30.9 °F 24.3 °F 27.0 °F 85% 30.48 in 10.0 mi SW 6.9 mph - N/A   Clear
8:54 AM 37.9 °F 32.7 °F 26.1 °F 62% 30.49 in 10.0 mi West 6.9 mph - N/A   Clear
9:54 AM 41.0 °F 35.8 °F 25.0 °F 53% 30.49 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:54 AM 44.1 °F 39.5 °F 21.0 °F 40% 30.47 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:54 AM 46.0 °F 43.1 °F 19.0 °F 34% 30.45 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
12:54 PM 46.9 °F - 17.1 °F 30% 30.44 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
1:54 PM 46.9 °F - 18.0 °F 32% 30.43 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
2:54 PM 50.0 °F - 19.0 °F 29% 30.43 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
3:54 PM 50.0 °F - 19.0 °F 29% 30.43 in 10.0 mi NW 11.5 mph 23.0 mph N/A   Mostly Cloudy
4:54 PM 52.0 °F - 17.1 °F 25% 30.43 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Mostly Cloudy
5:54 PM 51.1 °F - 18.0 °F 27% 30.42 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Mostly Cloudy
6:54 PM 51.1 °F - 19.0 °F 28% 30.40 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
7:54 PM 48.9 °F - 19.9 °F 32% 30.39 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
8:54 PM 37.9 °F 30.9 °F 23.0 °F 55% 30.42 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:54 PM 37.0 °F 29.3 °F 24.1 °F 59% 30.42 in 10.0 mi SW 11.5 mph - N/A   Clear
10:54 PM 37.0 °F - 23.0 °F 57% 30.41 in 10.0 mi Calm Calm - N/A   Clear