Weather History for Billings, MT

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 57 °F  
Max Temperature 67 °F 69 °F 91 °F (1980)
Min Temperature 43 °F 45 °F 31 °F (1963)
Degree Days  
Heating Degree Days 10 8  
Month to date heating degree days 177 238  
Since 1 July heating degree days 6269 6615  
Cooling Degree Days 0 1  
Month to date cooling degree days 27 3  
Year to date cooling degree days 27 4  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 38 °F    
Average Humidity 56    
Maximum Humidity 83    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.07 in 2.83 in (1952)
Month to date precipitation 1.82 1.43  
Year to date precipitation 3.98 5.11  
Snow  
Snow 0.00 in 0.00 in T in (1999)
Month to date snowfall T 1.8  
Since 1 July snowfall 40.4 54.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 11 mph (SE)    
Max Wind Speed 24 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:35 AM MDT 8:46 PM MDT
Civil Twilight 5:00 AM MDT 9:22 PM MDT
Nautical Twilight 4:13 AM MDT 10:08 PM MDT
Astronomical Twilight 3:17 AM MDT 11:06 PM MDT
Moon 4:53 PM MDT (5/21) 3:18 AM MDT (5/21)
Length of Visible Light 16h 22m
Length of Day
15h 10m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
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 50.0 °F - 39.9 °F 68% 30.08 in 10.0 mi WSW 12.7 mph - N/A   Partly Cloudy
1:53 AM 48.9 °F - 39.9 °F 71% 30.06 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
2:53 AM 46.0 °F 40.6 °F 39.9 °F 79% 30.06 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
3:53 AM 44.1 °F 42.5 °F 39.9 °F 85% 30.08 in 10.0 mi West 3.5 mph - N/A   Clear
4:53 AM 44.1 °F 40.1 °F 39.9 °F 85% 30.07 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
5:53 AM 45.0 °F 40.1 °F 39.9 °F 82% 30.08 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
6:53 AM 45.0 °F 40.1 °F 39.9 °F 82% 30.08 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
7:53 AM 46.9 °F - 39.9 °F 77% 30.09 in 10.0 mi SW 9.2 mph - N/A   Clear
8:53 AM 51.1 °F - 42.1 °F 71% 30.07 in 10.0 mi SW 9.2 mph - N/A   Clear
9:53 AM 55.0 °F - 43.0 °F 64% 30.05 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:53 AM 57.9 °F - 41.0 °F 53% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
11:53 AM 64.0 °F - 34.0 °F 33% 29.99 in 10.0 mi ENE 9.2 mph - N/A   Partly Cloudy
12:53 PM 64.0 °F - 30.9 °F 29% 29.97 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
1:53 PM 66.0 °F - 34.0 °F 30% 29.95 in 10.0 mi ENE 11.5 mph - N/A   Partly Cloudy
2:53 PM 66.0 °F - 34.0 °F 30% 29.94 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
3:53 PM 66.0 °F - 34.0 °F 30% 29.94 in 10.0 mi East 15.0 mph 21.9 mph N/A   Partly Cloudy
4:53 PM 64.9 °F - 33.1 °F 31% 29.92 in 10.0 mi NE 13.8 mph 21.9 mph N/A   Partly Cloudy
5:53 PM 64.0 °F - 32.0 °F 30% 29.91 in 10.0 mi NE 16.1 mph - N/A   Partly Cloudy
6:53 PM 62.1 °F - 33.1 °F 34% 29.91 in 10.0 mi ENE 17.3 mph 27.6 mph N/A   Partly Cloudy
7:53 PM 59.0 °F - 36.0 °F 42% 29.93 in 10.0 mi ENE 15.0 mph - N/A   Partly Cloudy
8:53 PM 54.0 °F - 41.0 °F 62% 29.95 in 10.0 mi East 21.9 mph 26.5 mph N/A   Partly Cloudy
9:53 PM 51.1 °F - 41.0 °F 68% 29.97 in 10.0 mi East 15.0 mph - N/A   Partly Cloudy
10:53 PM 48.9 °F - 41.0 °F 74% 29.97 in 10.0 mi East 12.7 mph - N/A   Partly Cloudy
11:53 PM 46.9 °F - 41.0 °F 80% 29.95 in 10.0 mi ENE 9.2 mph - N/A   Clear