Weather History for Butte, MT

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Sunday, May 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 47 °F 49 °F  
Max Temperature 51 °F 62 °F 85 °F (1954)
Min Temperature 43 °F 35 °F 22 °F (2003)
Degree Days  
Heating Degree Days 18 16  
Month to date heating degree days 292 364  
Since 1 July heating degree days 8572 8755  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 36 °F    
Average Humidity 65    
Maximum Humidity 76    
Minimum Humidity 54    
Precipitation  
Precipitation T in 0.07 in 1.22 in (1938)
Month to date precipitation 0.52 1.08  
Year to date precipitation 1.42 3.91  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events Rain    
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. 19, 2013 Rise Set
Actual Time 5:53 AM MDT 9:00 PM MDT
Civil Twilight 5:17 AM MDT 9:36 PM MDT
Nautical Twilight 4:31 AM MDT 10:22 PM MDT
Astronomical Twilight 3:35 AM MDT 11:19 PM MDT
Moon 2:50 PM MDT (5/19) 2:38 AM MDT (5/19)
Length of Visible Light 16h 18m
Length of Day
15h 07m
Waxing Gibbous, 66% of the Moon is Illuminated
May 19
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First 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 45.0 °F 40.6 °F 37.9 °F 76% 30.01 in 10.0 mi NW 8.1 mph - 0.00 in   Overcast
1:53 AM 45.0 °F 41.8 °F 37.9 °F 76% 30.01 in 10.0 mi NW 5.8 mph - N/A   Overcast
2:53 AM 45.0 °F 40.1 °F 36.0 °F 71% 30.01 in 10.0 mi NNW 9.2 mph - N/A   Overcast
3:53 AM 44.6 °F 39.2 °F 35.6 °F 71% 30.08 in 10.0 mi NNW 10.4 mph - N/A   Overcast
4:53 AM 44.1 °F 39.5 °F 36.0 °F 73% 30.03 in 10.0 mi NNW 8.1 mph - N/A   Overcast
5:42 AM 42.8 °F 38.6 °F 35.6 °F 76% 30.09 in 10.0 mi WNW 6.9 mph - N/A   Overcast
5:53 AM 42.8 °F 38.6 °F 35.6 °F 76% 30.10 in 10.0 mi NW 6.9 mph - N/A   Overcast
6:53 AM 43.0 °F 38.2 °F 35.1 °F 74% 30.07 in 10.0 mi NNW 8.1 mph - N/A   Overcast
7:53 AM 43.0 °F 37.7 °F 37.0 °F 80% 30.07 in 10.0 mi NW 9.2 mph - 0.00 in Rain Light Rain
8:53 AM 44.1 °F 39.0 °F 36.0 °F 73% 30.08 in 10.0 mi WNW 9.2 mph - 0.00 in   Overcast
9:36 AM 44.6 °F 38.8 °F 35.6 °F 71% 30.13 in 10.0 mi WNW 11.5 mph - N/A   Overcast
9:53 AM 45.0 °F 38.5 °F 35.1 °F 68% 30.09 in 10.0 mi NW 13.8 mph - N/A   Overcast
10:21 AM 46.4 °F 41.5 °F 33.8 °F 62% 30.13 in 10.0 mi NNW 10.4 mph - N/A   Overcast
10:29 AM 46.4 °F 40.1 °F 33.8 °F 62% 30.13 in 10.0 mi NNW 15.0 mph - N/A   Overcast
10:36 AM 46.4 °F 39.8 °F 33.8 °F 62% 30.13 in 10.0 mi NNW 16.1 mph - N/A   Overcast
10:53 AM 46.9 °F - 34.0 °F 61% 30.09 in 10.0 mi North 11.5 mph 21.9 mph N/A   Overcast
11:53 AM 48.0 °F - 35.1 °F 61% 30.09 in 10.0 mi NNW 11.5 mph 21.9 mph 0.00 in   Overcast
12:53 PM 46.4 °F 42.4 °F 35.6 °F 66% 30.14 in 10.0 mi WNW 8.1 mph 17.3 mph N/A   Overcast
1:53 PM 48.2 °F - 35.6 °F 62% 30.14 in 10.0 mi NW 13.8 mph - N/A Rain Light Rain
2:53 PM 50.0 °F - 35.1 °F 57% 30.09 in 10.0 mi North 16.1 mph - 0.00 in   Overcast
3:53 PM 51.1 °F - 35.1 °F 54% 30.11 in 10.0 mi NNW 11.5 mph 21.9 mph N/A   Overcast
4:53 PM 51.1 °F - 36.0 °F 56% 30.11 in 10.0 mi North 12.7 mph - N/A   Overcast
5:53 PM 50.0 °F - 37.0 °F 61% 30.13 in 10.0 mi North 12.7 mph 23.0 mph 0.00 in   Overcast
6:53 PM 51.1 °F - 37.0 °F 59% 30.13 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
7:53 PM 50.0 °F - 36.0 °F 59% 30.13 in 10.0 mi NNW 13.8 mph - N/A   Overcast
8:53 PM 48.9 °F - 37.0 °F 64% 30.15 in 10.0 mi NNW 11.5 mph - N/A   Overcast
9:53 PM 48.2 °F - 37.4 °F 66% 30.20 in 10.0 mi NW 12.7 mph - N/A   Overcast
10:53 PM 48.0 °F - 37.0 °F 66% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Overcast
11:53 PM 48.0 °F - 37.0 °F 66% 30.16 in 10.0 mi NNW 12.7 mph - N/A   Overcast