Weather History for Lewistown, MT

Change the Weather History Date:

Monday, September 3, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F 60 °F  
Max Temperature 75 °F 75 °F 93 °F (2001)
Min Temperature 36 °F 45 °F 29 °F (1929)
Degree Days  
Heating Degree Days 9 6  
Month to date heating degree days 13 18  
Since 1 July heating degree days 85 176  
Cooling Degree Days 0 1  
Month to date cooling degree days 3 3  
Year to date cooling degree days 310 199  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 26 °F    
Average Humidity 40    
Maximum Humidity 64    
Minimum Humidity 15    
Precipitation  
Precipitation 0.00 in 0.05 in 0.85 in (1909)
Month to date precipitation 0.02 0.14  
Year to date precipitation 12.85 13.14  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 16 mph    
Max Gust Speed 29 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

Sep. 03, 2012 Rise Set
Actual Time 6:40 AM MDT 7:52 PM MDT
Civil Twilight 6:09 AM MDT 8:23 PM MDT
Nautical Twilight 5:31 AM MDT 9:01 PM MDT
Astronomical Twilight 4:51 AM MDT 9:41 PM MDT
Moon 8:54 PM MDT (9/3) 10:09 AM MDT (9/3)
Length of Visible Light 14h 14m
Length of Day
13h 12m
Waning Gibbous, 90% of the Moon is Illuminated
Sep 3
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

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 48.9 °F - 25.0 °F 39% 29.97 in 10.0 mi SSE 4.6 mph - N/A   Clear
1:54 AM 45.0 °F 41.2 °F 25.0 °F 46% 29.98 in 10.0 mi SE 6.9 mph - N/A   Clear
2:54 AM 46.0 °F 44.8 °F 24.1 °F 42% 29.97 in 10.0 mi SSE 3.5 mph - N/A   Clear
3:54 AM 42.1 °F 37.7 °F 26.1 °F 53% 29.99 in 10.0 mi South 6.9 mph - N/A   Clear
4:54 AM 41.0 °F - 25.0 °F 53% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 39.0 °F 34.0 °F 25.0 °F 57% 30.01 in 10.0 mi SE 6.9 mph - N/A   Clear
6:54 AM 37.9 °F 32.7 °F 26.1 °F 62% 30.03 in 10.0 mi SE 6.9 mph - N/A   Clear
7:54 AM 45.0 °F 41.8 °F 27.0 °F 49% 30.04 in 10.0 mi SE 5.8 mph - N/A   Clear
8:54 AM 57.9 °F - 21.9 °F 25% 30.02 in 10.0 mi West 5.8 mph - N/A   Clear
9:54 AM 62.1 °F - 25.0 °F 24% 30.02 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:54 AM 64.9 °F - 21.9 °F 19% 30.02 in 10.0 mi Variable 3.5 mph 16.1 mph N/A   Clear
11:54 AM 66.9 °F - 24.1 °F 20% 29.99 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Clear
12:54 PM 70.0 °F - 25.0 °F 18% 29.99 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Clear
1:54 PM 73.0 °F - 25.0 °F 17% 29.98 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:54 PM 73.9 °F - 25.0 °F 16% 29.96 in 10.0 mi WNW 11.5 mph 19.6 mph N/A   Clear
3:54 PM 75.0 °F - 24.1 °F 15% 29.95 in 10.0 mi NW 11.5 mph 19.6 mph N/A   Clear
4:54 PM 75.0 °F - 25.0 °F 16% 29.95 in 10.0 mi North 4.6 mph - N/A   Clear
5:54 PM 75.0 °F - 25.0 °F 16% 29.94 in 10.0 mi West 4.6 mph - N/A   Clear
6:54 PM 72.0 °F - 28.9 °F 20% 29.94 in 10.0 mi NNE 4.6 mph - N/A   Clear
8:54 PM 57.0 °F - 28.9 °F 34% 29.96 in 10.0 mi South 9.2 mph - N/A   Clear
9:54 PM 53.1 °F - 30.9 °F 43% 29.96 in 10.0 mi ESE 3.5 mph - N/A   Clear
10:54 PM 50.0 °F - 28.0 °F 43% 29.96 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 48.9 °F - 28.0 °F 44% 29.96 in 10.0 mi SSE 5.8 mph - N/A   Clear