Weather History for Butte, MT

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Sunday, May 18, 2014

  Actual Average Record
Temperature  
Mean Temperature 44 °F 48 °F  
Max Temperature 51 °F 62 °F 84 °F (2009)
Min Temperature 37 °F 35 °F 21 °F (1960)
Degree Days  
Heating Degree Days 21 17  
Month to date heating degree days 379 348  
Since 1 July heating degree days 8600 8739  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 37 °F    
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 61    
Precipitation  
Precipitation 0.12 in 0.07 in 1.09 in (1944)
Month to date precipitation 0.77 1.01  
Year to date precipitation 4.23 3.84  
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 34 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 18, 2014 Rise Set
Actual Time 5:54 AM MDT 8:59 PM MDT
Civil Twilight 5:19 AM MDT 9:34 PM MDT
Nautical Twilight 4:33 AM MDT 10:20 PM MDT
Astronomical Twilight 3:38 AM MDT 11:16 PM MDT
Moon No Moon Rise 9:50 AM MDT (5/18)
Length of Visible Light 16h 15m
Length of Day
15h 04m
Waning Gibbous, 80% of the Moon is Illuminated
May 18
Waning Gibbous
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 12
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 37.1 °F 37.9 °F 89% 29.78 in 10.0 mi SE 5.8 mph - N/A   Clear
1:53 AM 39.0 °F 33.4 °F 37.0 °F 93% 29.78 in 10.0 mi South 8.1 mph - N/A   Clear
2:53 AM 37.9 °F 34.4 °F 36.0 °F 93% 29.76 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
3:53 AM 37.9 °F 33.5 °F 35.1 °F 89% 29.74 in 10.0 mi SSE 5.8 mph - N/A   Clear
4:53 AM 37.0 °F 34.5 °F 35.1 °F 93% 29.72 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
5:53 AM 39.0 °F 36.8 °F 36.0 °F 89% 29.72 in 10.0 mi East 3.5 mph - 0.00 in   Overcast
6:53 AM 39.0 °F 35.7 °F 36.0 °F 89% 29.73 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
7:53 AM 41.0 °F - 37.9 °F 89% 29.71 in 10.0 mi Calm Calm - 0.00 in   Overcast
8:53 AM 45.0 °F 42.6 °F 39.0 °F 80% 29.70 in 10.0 mi North 4.6 mph - N/A   Clear
9:53 AM 48.0 °F - 39.9 °F 74% 29.69 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
10:53 AM 50.0 °F - 39.0 °F 66% 29.68 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
11:28 AM 48.9 °F - 37.9 °F 66% 29.74 in 10.0 mi WNW 17.3 mph 25.3 mph 0.00 in Rain , Thunderstorm Light Rain
11:35 AM 48.0 °F - 37.9 °F 68% 29.74 in 10.0 mi NW 15.0 mph 24.2 mph 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
11:50 AM 50.0 °F - 37.4 °F 62% 29.75 in 10.0 mi WNW 13.8 mph - 0.00 in   Overcast
11:53 AM 50.0 °F - 37.0 °F 61% 29.69 in 10.0 mi WNW 18.4 mph 25.3 mph 0.00 in   Overcast
12:53 PM 45.0 °F 37.1 °F 35.1 °F 68% 29.74 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Overcast
1:45 PM 42.1 °F 35.7 °F 37.0 °F 82% 29.78 in 8.0 mi WNW 11.5 mph - 0.03 in Rain Light Rain
1:53 PM 43.0 °F 36.8 °F 37.0 °F 80% 29.78 in 10.0 mi NW 11.5 mph - 0.03 in Rain Light Rain
2:53 PM 44.1 °F 39.5 °F 37.9 °F 79% 29.76 in 10.0 mi NNW 8.1 mph - 0.07 in Rain Light Rain
3:14 PM 45.0 °F - 36.0 °F 71% 29.76 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
3:53 PM 48.0 °F - 37.9 °F 68% 29.73 in 10.0 mi WNW 5.8 mph - 0.00 in   Scattered Clouds
4:53 PM 46.9 °F - 39.0 °F 74% 29.76 in 10.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
5:53 PM 46.9 °F - 37.9 °F 71% 29.74 in 10.0 mi SE 4.6 mph - 0.01 in Rain Light Rain
6:53 PM 48.9 °F - 39.0 °F 69% 29.72 in 10.0 mi East 4.6 mph - 0.00 in   Partly Cloudy
7:53 PM 44.1 °F 38.1 °F 39.0 °F 82% 29.77 in 10.0 mi North 11.5 mph - 0.01 in   Mostly Cloudy
8:53 PM 42.1 °F - 36.0 °F 79% 29.77 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 PM 41.0 °F 39.0 °F 37.0 °F 86% 29.78 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
10:53 PM 39.9 °F - 37.0 °F 89% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
11:14 PM 41.0 °F 39.0 °F 37.0 °F 86% 29.84 in 10.0 mi SSE 3.5 mph - N/A   Overcast
11:49 PM 42.8 °F 40.1 °F 37.4 °F 81% 29.83 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:53 PM 42.1 °F 38.4 °F 37.0 °F 82% 29.79 in 10.0 mi NW 5.8 mph - N/A   Overcast