Weather History for Lewistown, MT

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Wednesday, May 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 48 °F  
Max Temperature 67 °F 60 °F 85 °F (1928)
Min Temperature 34 °F 35 °F 19 °F (1929)
Degree Days  
Heating Degree Days 14 17  
Month to date heating degree days 152 147  
Since 1 July heating degree days 7565 7654  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 35 °F    
Average Humidity 59    
Maximum Humidity 85    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.08 in 2.00 in (1921)
Month to date precipitation 0.27 0.56  
Year to date precipitation 3.63 3.97  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 08, 2013 Rise Set
Actual Time 5:51 AM MDT 8:38 PM MDT
Civil Twilight 5:16 AM MDT 9:13 PM MDT
Nautical Twilight 4:31 AM MDT 9:58 PM MDT
Astronomical Twilight 3:39 AM MDT 10:51 PM MDT
Moon 5:06 AM MDT (5/8) 7:36 PM MDT (5/8)
Length of Visible Light 15h 57m
Length of Day
14h 47m
Waning Crescent, 2% of the Moon is Illuminated
May 8
Waning Crescent
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.9 °F - 35.1 °F 63% 30.05 in 10.0 mi NNE 4.6 mph - N/A   Clear
1:54 AM 46.0 °F 44.8 °F 33.1 °F 61% 30.05 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
2:54 AM 42.1 °F 40.2 °F 34.0 °F 73% 30.06 in 10.0 mi NNE 3.5 mph - N/A   Clear
3:54 AM 41.0 °F - 34.0 °F 76% 30.08 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 39.9 °F - 34.0 °F 79% 30.08 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 35.1 °F 32.2 °F 30.9 °F 85% 30.11 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:54 AM 39.9 °F - 35.1 °F 83% 30.12 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 45.0 °F - 37.0 °F 74% 30.13 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 50.0 °F - 37.0 °F 61% 30.12 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 55.0 °F - 37.9 °F 53% 30.12 in 10.0 mi NW 5.8 mph - N/A   Clear
10:54 AM 57.0 °F - 36.0 °F 45% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 60.1 °F - 34.0 °F 38% 30.13 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 62.1 °F - 32.0 °F 32% 30.12 in 10.0 mi NE 6.9 mph - N/A   Clear
1:54 PM 64.9 °F - 35.1 °F 33% 30.10 in 10.0 mi Variable 6.9 mph - N/A   Clear
2:54 PM 66.0 °F - 36.0 °F 33% 30.10 in 10.0 mi East 11.5 mph - N/A   Clear
3:54 PM 66.0 °F - 35.1 °F 32% 30.09 in 10.0 mi East 10.4 mph - N/A   Clear
4:54 PM 66.0 °F - 36.0 °F 33% 30.08 in 10.0 mi East 11.5 mph - N/A   Clear
5:54 PM 66.0 °F - 37.0 °F 34% 30.09 in 10.0 mi East 11.5 mph - N/A   Clear
6:54 PM 64.0 °F - 37.0 °F 37% 30.08 in 10.0 mi East 12.7 mph - N/A   Clear
7:54 PM 61.0 °F - 37.0 °F 41% 30.08 in 10.0 mi East 10.4 mph - N/A   Clear
8:54 PM 55.9 °F - 37.0 °F 49% 30.08 in 10.0 mi East 10.4 mph - N/A   Clear
9:54 PM 52.0 °F - 37.0 °F 57% 30.09 in 10.0 mi East 9.2 mph - N/A   Clear
10:54 PM 51.1 °F - 37.0 °F 59% 30.10 in 10.0 mi East 11.5 mph - N/A   Clear
11:54 PM 51.1 °F - 37.0 °F 59% 30.10 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy