Weather History for Butte, MT

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Monday, November 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F 26 °F  
Max Temperature 42 °F 38 °F 59 °F (1989)
Min Temperature 14 °F 14 °F -24 °F (1977)
Degree Days  
Heating Degree Days 37 39  
Month to date heating degree days 683 653  
Since 1 July heating degree days 1869 2024  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 22 °F    
Average Humidity 69    
Maximum Humidity 80    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.03 in 0.40 in (1915)
Month to date precipitation 0.70 0.39  
Year to date precipitation 8.49 12.05  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 11 mph (South)    
Max Wind Speed 29 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 19, 2012 Rise Set
Actual Time 7:36 AM MST 4:53 PM MST
Civil Twilight 7:03 AM MST 5:26 PM MST
Nautical Twilight 6:27 AM MST 6:03 PM MST
Astronomical Twilight 5:51 AM MST 6:38 PM MST
Moon 12:34 PM MST 11:34 PM MST
Length of Visible Light 10h 23m
Length of Day
9h 17m
Waxing Crescent, 41% of the Moon is Illuminated
Nov 19
Waxing Crescent
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 21.9 °F - 15.1 °F 75% 30.09 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM 19.9 °F - 12.9 °F 74% 30.12 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 17.1 °F - 10.9 °F 77% 30.15 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 17.1 °F 11.7 °F 10.9 °F 77% 30.14 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
4:53 AM 15.8 °F 8.6 °F 10.4 °F 79% 30.01 in 10.0 mi SW 4.6 mph - N/A   Clear
5:53 AM 17.1 °F - 10.9 °F 77% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 18.0 °F 11.1 °F 10.9 °F 74% 30.17 in 10.0 mi Variable 4.6 mph - N/A   Clear
7:53 AM 15.1 °F 5.2 °F 10.0 °F 80% 30.23 in 10.0 mi SE 6.9 mph - N/A   Clear
8:53 AM 21.9 °F - 15.1 °F 75% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 35.1 °F 26.9 °F 24.1 °F 64% 30.18 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
10:53 AM 39.0 °F 29.9 °F 27.0 °F 62% 30.17 in 10.0 mi South 17.3 mph 25.3 mph N/A   Clear
11:53 AM 39.9 °F 37.8 °F 26.1 °F 58% 30.14 in 10.0 mi WNW 3.5 mph - N/A   Clear
12:53 PM 39.9 °F 36.7 °F 28.0 °F 63% 30.12 in 10.0 mi SSE 4.6 mph - N/A   Clear
1:53 PM 42.1 °F 34.5 °F 28.0 °F 58% 30.11 in 10.0 mi South 15.0 mph - N/A   Clear
2:53 PM 42.1 °F 33.6 °F 28.9 °F 60% 30.11 in 10.0 mi South 18.4 mph - N/A   Clear
3:53 PM 41.0 °F 32.5 °F 28.0 °F 60% 30.11 in 10.0 mi South 17.3 mph 26.5 mph N/A   Clear
4:53 PM 39.9 °F 31.4 °F 28.9 °F 65% 30.14 in 10.0 mi South 16.1 mph - N/A   Clear
5:53 PM 39.9 °F 29.7 °F 28.9 °F 65% 30.11 in 10.0 mi South 23.0 mph 28.8 mph N/A   Clear
6:53 PM 39.9 °F 30.8 °F 28.9 °F 65% 30.12 in 10.0 mi South 18.4 mph - N/A   Mostly Cloudy
7:53 PM 41.0 °F 31.4 °F 28.9 °F 62% 30.11 in 10.0 mi South 21.9 mph - N/A   Clear
8:53 PM 39.9 °F 31.1 °F 28.9 °F 65% 30.09 in 10.0 mi SSE 17.3 mph - N/A   Partly Cloudy
9:53 PM 39.9 °F 31.8 °F 28.9 °F 65% 30.03 in 10.0 mi South 15.0 mph - N/A   Clear
10:53 PM 39.9 °F 30.5 °F 28.9 °F 65% 30.00 in 10.0 mi South 19.6 mph - N/A   Mostly Cloudy
11:53 PM 39.9 °F 30.5 °F 28.9 °F 65% 29.99 in 10.0 mi SSE 19.6 mph - N/A   Scattered Clouds