Weather History for Butte, MT

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Sunday, October 16, 2011

  Actual Average Record
Temperature  
Mean Temperature 45 °F 41 °F  
Max Temperature 54 °F 55 °F 78 °F (1927)
Min Temperature 35 °F 27 °F 7 °F (1946)
Degree Days  
Heating Degree Days 20 24  
Month to date heating degree days 271 346  
Since 1 July heating degree days 705 967  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 48 81  
Moisture  
Dew Point 37 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 54    
Precipitation  
Precipitation 0.09 in 0.03 in 0.74 in (1932)
Month to date precipitation 0.59 0.45  
Year to date precipitation 11.16 11.33  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 26 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

Oct. 16, 2011 Rise Set
Actual Time 7:47 AM MDT 6:42 PM MDT
Civil Twilight 7:17 AM MDT 7:12 PM MDT
Nautical Twilight 6:43 AM MDT 7:47 PM MDT
Astronomical Twilight 6:08 AM MDT 8:21 PM MDT
Moon 9:17 PM MDT (10/16) 12:22 PM MDT (10/16)
Length of Visible Light 11h 54m
Length of Day
10h 54m
Waning Gibbous, 82% of the Moon is Illuminated
Oct 16
Waning Gibbous
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

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 41.0 °F - 37.0 °F 86% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 39.0 °F - 37.0 °F 93% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 39.0 °F - 37.0 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
3:39 AM 39.2 °F - 37.4 °F 93% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 39.0 °F - 37.0 °F 93% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 39.2 °F - 37.4 °F 93% 30.07 in 10.0 mi Calm Calm - N/A Rain Light Rain
5:07 AM 39.2 °F - 37.4 °F 93% 30.07 in 10.0 mi Calm Calm - 0.00 in   Overcast
5:53 AM 39.0 °F - 37.0 °F 93% 30.05 in 10.0 mi Calm Calm - 0.00 in   Overcast
6:53 AM 39.0 °F - 37.0 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 39.0 °F 35.7 °F 37.9 °F 96% 30.04 in 8.0 mi SSE 4.6 mph - 0.02 in Rain Light Rain
8:53 AM 39.9 °F - 37.9 °F 93% 30.02 in 10.0 mi Calm Calm - 0.00 in   Overcast
9:53 AM 41.0 °F 38.0 °F 39.0 °F 93% 30.01 in 10.0 mi NNW 4.6 mph - N/A   Overcast
10:16 AM 42.8 °F 39.3 °F 39.2 °F 87% 30.04 in 10.0 mi North 5.8 mph - 0.00 in Rain Light Rain
10:24 AM 42.8 °F 38.6 °F 39.2 °F 87% 30.04 in 6.0 mi NNE 6.9 mph - 0.01 in Rain Light Rain
10:47 AM 42.8 °F 39.3 °F 41.0 °F 93% 30.03 in 10.0 mi NE 5.8 mph - 0.01 in Rain Light Rain
10:53 AM 44.1 °F 41.5 °F 41.0 °F 89% 30.02 in 10.0 mi North 4.6 mph - 0.01 in   Overcast
11:53 AM 46.0 °F - 39.9 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
12:53 PM 48.2 °F - 41.0 °F 76% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 51.1 °F - 39.9 °F 66% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
2:53 PM 52.0 °F - 39.0 °F 61% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Overcast
3:53 PM 53.1 °F - 37.9 °F 57% 29.92 in 10.0 mi West 8.1 mph - N/A   Overcast
4:53 PM 48.9 °F - 41.0 °F 74% 29.94 in 9.0 mi WNW 16.1 mph 23.0 mph 0.01 in Rain Light Rain
5:53 PM 45.0 °F 39.3 °F 37.9 °F 76% 30.01 in 10.0 mi NNW 11.5 mph - 0.05 in   Overcast
6:53 PM 43.0 °F 36.4 °F 35.1 °F 74% 30.04 in 10.0 mi NW 12.7 mph - N/A   Overcast
7:53 PM 42.1 °F 36.6 °F 32.0 °F 67% 30.07 in 10.0 mi NNW 9.2 mph 17.3 mph 0.00 in   Overcast
8:53 PM 39.9 °F 33.9 °F 30.9 °F 70% 30.12 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
9:53 PM 37.9 °F 35.5 °F 30.0 °F 73% 30.14 in 10.0 mi West 3.5 mph - N/A   Clear
10:53 PM 35.1 °F 32.2 °F 30.0 °F 82% 30.17 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
11:53 PM 37.0 °F 31.6 °F 30.0 °F 76% 30.17 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy