Butte, MT

1:43 PM MDT on October 22, 2017 (GMT -0600)
Mooney

Weather History for KBTM - September, 2013

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Wednesday, September 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 47 °F 51 °F  
Max Temperature 52 °F 67 °F 91 °F (1981)
Min Temperature 41 °F 35 °F 6 °F (1965)
Degree Days  
Heating Degree Days 18 14  
Month to date heating degree days 71 194  
Since 1 July heating degree days 138 422  
Cooling Degree Days 0 0  
Month to date cooling degree days 8 0  
Year to date cooling degree days 104 79  
Moisture  
Dew Point 38 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.12 in 0.03 in 0.74 in (1976)
Month to date precipitation 1.07 0.63  
Year to date precipitation 8.36 10.51  
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
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. 18, 2013 Rise Set
Actual Time 7:12 AM MDT 7:34 PM MDT
Civil Twilight 6:42 AM MDT 8:04 PM MDT
Nautical Twilight 6:07 AM MDT 8:39 PM MDT
Astronomical Twilight 5:30 AM MDT 9:16 PM MDT
Moon 6:58 PM MDT (9/18) 6:18 AM MDT (9/18)
Length of Visible Light 13h 22m
Length of Day
12h 22m
Waxing Gibbous, 99% of the Moon is Illuminated
Sep 18
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
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 43.0 °F 38.8 °F 42.1 °F 97% 29.71 in 10.0 mi ESE 6.9 mph - N/A   Partly Cloudy
1:53 AM 42.1 °F 38.4 °F 41.0 °F 96% 29.72 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
2:53 AM 41.0 °F - 39.9 °F 96% 29.72 in 10.0 mi Calm Calm - N/A   Clear
3:37 AM 42.8 °F 40.1 °F 41.0 °F 93% 29.77 in 10.0 mi East 4.6 mph - N/A   Overcast
3:53 AM 41.0 °F 36.4 °F 39.9 °F 96% 29.72 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
4:53 AM 43.0 °F - 41.0 °F 93% 29.73 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 42.1 °F - 41.0 °F 96% 29.76 in 10.0 mi Calm Calm - N/A Thunderstorm Overcast
6:01 AM 42.8 °F - 41.0 °F 93% 29.82 in 4.0 mi Calm Calm - 0.04 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:22 AM 44.6 °F 40.7 °F 42.8 °F 93% 29.80 in 10.0 mi NE 6.9 mph - 0.07 in Rain , Thunderstorm Light Rain
6:35 AM 44.6 °F 42.2 °F 42.8 °F 93% 29.82 in 10.0 mi NW 4.6 mph - 0.07 in Rain Light Rain
6:49 AM 44.6 °F 40.2 °F 41.0 °F 87% 29.82 in 10.0 mi NNW 8.1 mph - 0.07 in Rain Light Rain
6:53 AM 45.0 °F 41.2 °F 41.0 °F 86% 29.76 in 10.0 mi NNW 6.9 mph - 0.07 in Rain Light Rain
7:12 AM 44.6 °F 40.2 °F 41.0 °F 87% 29.84 in 10.0 mi NNW 8.1 mph - 0.00 in   Overcast
7:35 AM 44.6 °F 41.4 °F 39.2 °F 81% 29.85 in 10.0 mi North 5.8 mph - 0.00 in   Overcast
7:43 AM 44.6 °F 43.1 °F 39.2 °F 81% 29.85 in 10.0 mi North 3.5 mph - 0.00 in   Overcast
7:53 AM 44.1 °F 41.5 °F 39.9 °F 85% 29.81 in 10.0 mi North 4.6 mph - 0.00 in Rain Light Rain
8:53 AM 45.0 °F 41.8 °F 39.9 °F 82% 29.81 in 10.0 mi NW 5.8 mph - 0.00 in   Overcast
9:53 AM 46.9 °F - 39.0 °F 74% 29.82 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
10:53 AM 48.0 °F - 37.9 °F 68% 29.85 in 10.0 mi West 6.9 mph - N/A   Overcast
11:53 AM 48.9 °F - 39.9 °F 71% 29.86 in 10.0 mi NW 6.9 mph - 0.00 in   Overcast
12:53 PM 48.9 °F - 39.9 °F 71% 29.88 in 10.0 mi WNW 6.9 mph - 0.03 in   Overcast
1:53 PM 48.9 °F - 37.9 °F 66% 29.90 in 10.0 mi NNW 13.8 mph - 0.00 in Rain Light Rain
2:53 PM 52.0 °F - 35.1 °F 53% 29.89 in 10.0 mi NW 8.1 mph - 0.00 in   Overcast
3:53 PM 51.1 °F - 36.0 °F 56% 29.90 in 10.0 mi NW 11.5 mph - 0.02 in   Mostly Cloudy
4:53 PM 51.1 °F - 33.1 °F 50% 29.92 in 10.0 mi NW 15.0 mph 23.0 mph 0.00 in   Partly Cloudy
5:53 PM 51.1 °F - 33.1 °F 50% 29.93 in 10.0 mi NW 15.0 mph 19.6 mph N/A   Scattered Clouds
6:53 PM 50.0 °F - 34.0 °F 54% 29.95 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
7:53 PM 48.0 °F - 32.0 °F 54% 30.00 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
8:53 PM 46.0 °F 43.9 °F 32.0 °F 58% 30.04 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:53 PM 46.9 °F - 30.9 °F 54% 30.06 in 10.0 mi WNW 5.8 mph - N/A   Overcast
10:53 PM 45.0 °F - 32.0 °F 60% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 41.0 °F - 33.1 °F 73% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds