Butte, MT

1:18 PM MST on January 21, 2017 (GMT -0700)
Butte

Weather History for KBTM - May, 2013

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Thursday, May 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 46 °F  
Max Temperature 72 °F 59 °F 79 °F (1994)
Min Temperature 34 °F 32 °F 16 °F (1916)
Degree Days  
Heating Degree Days 12 19  
Month to date heating degree days 172 186  
Since 1 July heating degree days 8452 8577  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 32 °F    
Average Humidity 53    
Maximum Humidity 89    
Minimum Humidity 17    
Precipitation  
Precipitation T in 0.05 in 0.70 in (1914)
Month to date precipitation 0.04 0.44  
Year to date precipitation 0.94 3.27  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 5 mph (ENE)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 09, 2013 Rise Set
Actual Time 6:05 AM MDT 8:48 PM MDT
Civil Twilight 5:30 AM MDT 9:22 PM MDT
Nautical Twilight 4:47 AM MDT 10:06 PM MDT
Astronomical Twilight 3:57 AM MDT 10:57 PM MDT
Moon 5:53 AM MDT (5/9) 8:47 PM MDT (5/9)
Length of Visible Light 15h 51m
Length of Day
14h 43m
Waning Crescent, 0% of the Moon is Illuminated
May 9
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
12:53 AM 44.1 °F 40.8 °F 34.0 °F 68% 30.08 in 10.0 mi SE 5.8 mph - N/A   Clear
1:53 AM 42.1 °F - 33.1 °F 70% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 37.9 °F 32.7 °F 32.0 °F 79% 30.09 in 10.0 mi SE 6.9 mph - N/A   Clear
3:53 AM 37.9 °F - 32.0 °F 79% 30.10 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 36.0 °F - 30.9 °F 82% 30.12 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 34.0 °F 29.8 °F 30.0 °F 85% 30.13 in 10.0 mi South 4.6 mph - N/A   Clear
6:53 AM 34.0 °F - 30.0 °F 85% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 37.9 °F - 30.9 °F 76% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 46.0 °F 43.9 °F 33.1 °F 61% 30.18 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
9:53 AM 54.0 °F - 34.0 °F 47% 30.13 in 10.0 mi SE 4.6 mph - 0.00 in   Partly Cloudy
10:53 AM 60.8 °F - 33.8 °F 36% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 63.0 °F - 32.0 °F 31% 30.11 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
12:53 PM 66.9 °F - 32.0 °F 27% 30.09 in 10.0 mi West 8.1 mph - N/A   Clear
1:53 PM 68.0 °F - 26.6 °F 21% 30.18 in 10.0 mi NNW 8.1 mph 17.3 mph N/A   Partly Cloudy
2:53 PM 71.1 °F - 25.0 °F 18% 30.09 in 10.0 mi NNW 13.8 mph 26.5 mph N/A   Scattered Clouds
3:53 PM 70.0 °F - 28.0 °F 21% 30.07 in 10.0 mi NNW 18.4 mph - N/A   Clear
4:27 PM 69.8 °F - 28.4 °F 21% 30.15 in 10.0 mi North 21.9 mph 29.9 mph N/A Thunderstorm Mostly Cloudy
4:37 PM 66.2 °F - 30.2 °F 26% 30.16 in 10.0 mi NE 20.7 mph 32.2 mph N/A Thunderstorm Thunderstorm
4:53 PM 66.0 °F - 30.0 °F 26% 30.09 in 10.0 mi ENE 16.1 mph 28.8 mph N/A   Scattered Clouds
5:53 PM 66.0 °F - 28.0 °F 24% 30.09 in 10.0 mi NNE 4.6 mph - N/A   Clear
6:53 PM 62.1 °F - 35.1 °F 37% 30.12 in 10.0 mi West 11.5 mph 17.3 mph N/A   Partly Cloudy
7:53 PM 60.1 °F - 36.0 °F 41% 30.13 in 10.0 mi SW 3.5 mph - N/A   Clear
8:53 PM 57.0 °F - 36.0 °F 45% 30.13 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
9:53 PM 54.0 °F - 37.0 °F 53% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 50.0 °F - 37.4 °F 62% 30.22 in 10.0 mi East 3.5 mph - N/A   Clear
11:53 PM 46.9 °F - 35.1 °F 63% 30.14 in 10.0 mi South 6.9 mph - N/A   Clear