Butte, MT

12:38 PM MDT on October 22, 2017 (GMT -0600)
Mooney

Weather History for KBTM - September, 2011

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Sunday, September 25, 2011

  Actual Average Record
Temperature  
Mean Temperature 61 °F 48 °F  
Max Temperature 83 °F 64 °F 86 °F (2001)
Min Temperature 38 °F 32 °F 13 °F (1926)
Degree Days  
Heating Degree Days 4 17  
Month to date heating degree days 227 303  
Since 1 July heating degree days 388 531  
Cooling Degree Days 0 0  
Month to date cooling degree days 2 0  
Year to date cooling degree days 48 79  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 29 °F    
Average Humidity 41    
Maximum Humidity 70    
Minimum Humidity 12    
Precipitation  
Precipitation T in 0.03 in 0.69 in (2013)
Month to date precipitation 0.40 0.85  
Year to date precipitation 10.57 10.73  
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 22 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

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Date:

Astronomy

Sep. 25, 2011 Rise Set
Actual Time 7:20 AM MDT 7:22 PM MDT
Civil Twilight 6:50 AM MDT 7:51 PM MDT
Nautical Twilight 6:15 AM MDT 8:26 PM MDT
Astronomical Twilight 5:40 AM MDT 9:02 PM MDT
Moon 5:07 AM MDT (9/25) 6:07 PM MDT (9/25)
Length of Visible Light 13h 01m
Length of Day
12h 01m
Waning Crescent, 4% of the Moon is Illuminated
Sep 25
Waning Crescent
Sep 27
New
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.0 °F - 28.9 °F 48% 29.88 in 10.0 mi SE 3.5 mph - N/A   Clear
1:53 AM 46.0 °F - 28.0 °F 50% 29.87 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 43.0 °F - 28.9 °F 58% 29.88 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 41.0 °F - 28.0 °F 60% 29.87 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 42.1 °F 38.4 °F 28.9 °F 60% 29.87 in 10.0 mi East 5.8 mph - N/A   Clear
5:53 AM 42.1 °F 40.2 °F 28.0 °F 58% 29.87 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:53 AM 39.9 °F 37.8 °F 28.0 °F 63% 29.88 in 10.0 mi East 3.5 mph - N/A   Clear
7:53 AM 37.4 °F - 28.4 °F 70% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 45.0 °F - 30.0 °F 56% 29.90 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 55.0 °F - 30.0 °F 38% 29.87 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 66.2 °F - 28.4 °F 24% 29.97 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 73.9 °F - 30.0 °F 20% 29.80 in 10.0 mi NE 5.8 mph - N/A   Clear
12:53 PM 78.8 °F - 28.4 °F 16% 29.93 in 10.0 mi NE 6.9 mph - N/A   Clear
1:53 PM 80.1 °F - 24.1 °F 13% 29.74 in 10.0 mi South 8.1 mph 19.6 mph N/A   Partly Cloudy
2:53 PM 82.0 °F - 24.1 °F 12% 29.72 in 10.0 mi South 16.1 mph 24.2 mph N/A   Clear
3:12 PM 80.6 °F - 23.0 °F 12% 29.87 in 10.0 mi South 17.3 mph 21.9 mph N/A   Clear
3:53 PM 80.1 °F - 24.1 °F 13% 29.72 in 10.0 mi SSW 9.2 mph - N/A   Clear
4:53 PM 78.8 °F - 26.6 °F 15% 29.85 in 10.0 mi West 6.9 mph - N/A   Clear
5:53 PM 77.0 °F - 27.0 °F 16% 29.71 in 10.0 mi West 15.0 mph 21.9 mph N/A   Clear
6:53 PM 73.9 °F - 28.0 °F 18% 29.73 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
7:53 PM 71.1 °F - 30.9 °F 23% 29.76 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 66.0 °F - 32.0 °F 28% 29.77 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
9:53 PM 63.0 °F - 34.0 °F 34% 29.76 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
10:53 PM 61.0 °F - 35.1 °F 38% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 63.0 °F - 37.0 °F 38% 29.76 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Mostly Cloudy