Weather History for Butte, MT

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Saturday, September 14, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F 53 °F  
Max Temperature 72 °F 69 °F 87 °F (1990)
Min Temperature 52 °F 36 °F 21 °F (1970)
Degree Days  
Heating Degree Days 3 12  
Month to date heating degree days 33 140  
Since 1 July heating degree days 100 368  
Cooling Degree Days 0 0  
Month to date cooling degree days 8 0  
Year to date cooling degree days 104 79  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 38    
Precipitation  
Precipitation T in 0.03 in 1.08 in (1966)
Month to date precipitation 0.47 0.51  
Year to date precipitation 7.76 10.39  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 6 mph (NE)    
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

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Daily Weather History Graph

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Astronomy

Sep. 14, 2013 Rise Set
Actual Time 7:07 AM MDT 7:42 PM MDT
Civil Twilight 6:37 AM MDT 8:12 PM MDT
Nautical Twilight 6:01 AM MDT 8:48 PM MDT
Astronomical Twilight 5:24 AM MDT 9:25 PM MDT
Moon 4:38 PM MDT (9/14) 1:30 AM MDT (9/14)
Length of Visible Light 13h 35m
Length of Day
12h 35m
Waxing Gibbous, 73% of the Moon is Illuminated
Sep 14
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 54.0 °F 51.1 °F 90% 29.89 in 10.0 mi SSE 6.9 mph - N/A   Clear
1:53 AM 53.1 °F 51.1 °F 93% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 53.1 °F 50.0 °F 89% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 53.1 °F 51.1 °F 93% 29.91 in 10.0 mi SSE 5.8 mph - N/A   Overcast
4:53 AM 53.1 °F 51.1 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 53.1 °F 51.1 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 53.1 °F 51.1 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 53.1 °F 51.1 °F 93% 30.00 in 10.0 mi ESE 3.5 mph - N/A   Clear
8:53 AM 54.0 °F 52.0 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 55.9 °F 52.0 °F 87% 30.03 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 59.0 °F 52.0 °F 78% 30.04 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 62.1 °F 52.0 °F 70% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:53 PM 66.0 °F 50.0 °F 56% 30.02 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
1:53 PM 69.1 °F 46.9 °F 45% 30.00 in 10.0 mi North 11.5 mph 18.4 mph N/A   Mostly Cloudy
2:53 PM 69.1 °F 46.0 °F 44% 29.99 in 10.0 mi North 12.7 mph 20.7 mph N/A   Mostly Cloudy
3:53 PM 70.0 °F 46.0 °F 42% 29.99 in 10.0 mi NNE 13.8 mph - N/A   Partly Cloudy
4:53 PM 71.1 °F 45.0 °F 39% 29.98 in 10.0 mi North 9.2 mph - N/A   Clear
5:53 PM 70.0 °F 44.1 °F 39% 29.98 in 10.0 mi NNE 13.8 mph 24.2 mph N/A   Partly Cloudy
6:53 PM 69.1 °F 43.0 °F 39% 29.99 in 10.0 mi NNE 15.0 mph - 0.00 in Rain Light Rain
7:53 PM 66.0 °F 43.0 °F 43% 30.00 in 10.0 mi NE 11.5 mph 19.6 mph 0.00 in   Scattered Clouds
8:53 PM 63.0 °F 43.0 °F 48% 30.03 in 10.0 mi NNE 11.5 mph - N/A   Scattered Clouds
9:53 PM 63.0 °F 44.1 °F 50% 30.04 in 10.0 mi NE 12.7 mph 17.3 mph N/A   Partly Cloudy
10:53 PM 62.1 °F 44.1 °F 52% 30.04 in 10.0 mi Variable 5.8 mph - N/A   Clear
11:53 PM 60.1 °F 45.0 °F 57% 30.05 in 10.0 mi ESE 11.5 mph 21.9 mph N/A   Clear