Weather History for Lewistown, MT

Change the Weather History Date:

Friday, September 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F 58 °F  
Max Temperature 75 °F 73 °F 95 °F (1998)
Min Temperature 39 °F 44 °F 18 °F (1929)
Degree Days  
Heating Degree Days 8 8  
Month to date heating degree days 53 47  
Since 1 July heating degree days 125 205  
Cooling Degree Days 0 1  
Month to date cooling degree days 3 7  
Year to date cooling degree days 310 203  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 58    
Maximum Humidity 92    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in 0.05 in 1.45 in (1941)
Month to date precipitation 0.02 0.34  
Year to date precipitation 12.85 13.34  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed 17 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. 07, 2012 Rise Set
Actual Time 6:45 AM MDT 7:44 PM MDT
Civil Twilight 6:14 AM MDT 8:15 PM MDT
Nautical Twilight 5:37 AM MDT 8:52 PM MDT
Astronomical Twilight 4:58 AM MDT 9:31 PM MDT
Moon 11:14 PM MDT (9/7) 2:09 PM MDT (9/7)
Length of Visible Light 14h 00m
Length of Day
12h 58m
Waning Gibbous, 58% of the Moon is Illuminated
Sep 7
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 - 39.9 °F 71% 30.22 in 10.0 mi SE 3.5 mph - N/A   Overcast
1:54 AM 48.9 °F - 41.0 °F 74% 30.21 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
2:54 AM 46.9 °F - 41.0 °F 80% 30.22 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
3:54 AM 44.1 °F 40.1 °F 39.0 °F 82% 30.24 in 10.0 mi SSW 6.9 mph - N/A   Overcast
4:54 AM 41.0 °F 38.0 °F 37.0 °F 86% 30.25 in 10.0 mi SE 4.6 mph - N/A   Clear
5:54 AM 39.9 °F 35.8 °F 37.0 °F 89% 30.26 in 10.0 mi SE 5.8 mph - N/A   Clear
6:54 AM 39.0 °F 35.7 °F 36.0 °F 89% 30.28 in 10.0 mi SE 4.6 mph - N/A   Clear
7:15 AM 39.2 °F 34.2 °F 37.4 °F 93% 30.28 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
7:54 AM 43.0 °F 39.5 °F 39.0 °F 86% 30.28 in 10.0 mi SE 5.8 mph - N/A   Clear
8:54 AM 52.0 °F - 41.0 °F 66% 30.27 in 10.0 mi Calm Calm - N/A   Clear
9:30 AM 57.2 °F - 42.8 °F 59% 30.30 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
9:54 AM 59.0 °F - 42.1 °F 53% 30.26 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:54 AM 63.0 °F - 39.9 °F 43% 30.25 in 10.0 mi West 9.2 mph - N/A   Clear
11:54 AM 66.0 °F - 37.9 °F 36% 30.24 in 10.0 mi West 6.9 mph - N/A   Clear
12:54 PM 66.9 °F - 37.9 °F 34% 30.23 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:54 PM 70.0 °F - 37.0 °F 30% 30.22 in 10.0 mi West 6.9 mph - N/A   Clear
2:54 PM 71.1 °F - 36.0 °F 28% 30.22 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:54 PM 73.0 °F - 34.0 °F 24% 30.21 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:37 PM 73.4 °F - 32.0 °F 22% 30.25 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
4:54 PM 73.9 °F - 34.0 °F 23% 30.20 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:54 PM 73.9 °F - 34.0 °F 23% 30.20 in 10.0 mi North 6.9 mph - N/A   Clear
6:54 PM 71.1 °F - 32.0 °F 24% 30.22 in 10.0 mi North 6.9 mph - N/A   Clear
7:54 PM 64.0 °F - 33.1 °F 31% 30.24 in 10.0 mi North 3.5 mph - N/A   Clear
8:54 PM 60.1 °F - 33.1 °F 36% 30.26 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 52.0 °F - 34.0 °F 50% 30.27 in 10.0 mi South 9.2 mph - N/A   Clear
10:54 PM 48.9 °F - 34.0 °F 56% 30.27 in 10.0 mi SSE 4.6 mph - N/A   Clear
11:54 PM 46.0 °F 43.1 °F 33.1 °F 61% 30.27 in 10.0 mi ESE 5.8 mph - N/A   Clear