Weather History for Glasgow, MT

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Monday, December 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 20 °F 17 °F  
Max Temperature 23 °F 27 °F 57 °F (1924)
Min Temperature 16 °F 7 °F -41 °F (1922)
Degree Days  
Heating Degree Days 45 48  
Month to date heating degree days 566 553  
Since 1 July heating degree days 2254 2546  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 558 533  
Moisture  
Dew Point 19 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 84    
Precipitation  
Precipitation 0.00 in 0.01 in 0.15 in (1933)
Month to date precipitation 0.11 0.13  
Year to date precipitation 22.72 11.39  
Snow  
Snow 0.00 in 0.20 in 1.60 in (1933)
Month to date snowfall 2.0 2.5  
Since 1 July snowfall 10.8 9.1  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 8 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 5 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2011 Rise Set
Actual Time 7:47 AM MST 4:12 PM MST
Civil Twilight 7:11 AM MST 4:48 PM MST
Nautical Twilight 6:31 AM MST 5:28 PM MST
Astronomical Twilight 5:53 AM MST 6:06 PM MST
Moon 6:30 PM MST 9:18 AM MST
Length of Visible Light 9h 37m
Length of Day
8h 24m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 12
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 9
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 18.0 °F - 16.0 °F 92% 30.24 in 9.0 mi Calm Calm - N/A   Clear
1:53 AM 19.0 °F 12.3 °F 17.1 °F 92% 30.25 in 9.0 mi East 4.6 mph - N/A   Clear
2:53 AM 16.0 °F 5.3 °F 14.0 °F 92% 30.27 in 9.0 mi ESE 8.1 mph - N/A   Clear
3:53 AM 19.0 °F 12.3 °F 16.0 °F 88% 30.28 in 7.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
4:38 AM 21.2 °F 13.6 °F 17.6 °F 86% 30.18 in 10.0 mi East 5.8 mph - N/A   Overcast
4:53 AM 19.9 °F 13.4 °F 17.1 °F 89% 30.30 in 9.0 mi East 4.6 mph - N/A   Overcast
5:53 AM 21.9 °F 17.2 °F 19.0 °F 89% 30.31 in 9.0 mi East 3.5 mph - N/A   Overcast
6:53 AM 21.2 °F 12.6 °F 19.4 °F 93% 30.20 in 8.0 mi East 6.9 mph - N/A   Overcast
7:53 AM 21.9 °F 12.5 °F 19.0 °F 89% 30.34 in 9.0 mi ENE 8.1 mph - N/A   Overcast
8:53 AM 21.9 °F 11.7 °F 19.9 °F 92% 30.35 in 7.0 mi East 9.2 mph - N/A   Overcast
9:53 AM 21.9 °F 13.4 °F 19.9 °F 92% 30.36 in 6.0 mi ESE 6.9 mph - N/A   Overcast
10:53 AM 21.9 °F 11.7 °F 19.9 °F 92% 30.36 in 8.0 mi SE 9.2 mph - N/A   Overcast
11:53 AM 21.9 °F 11.7 °F 19.0 °F 89% 30.34 in 7.0 mi East 9.2 mph - N/A   Overcast
12:53 PM 21.9 °F 11.0 °F 19.9 °F 92% 30.32 in 6.0 mi ESE 10.4 mph - N/A   Overcast
1:42 PM 21.2 °F 10.1 °F 19.4 °F 93% 30.20 in 4.0 mi ESE 10.4 mph - N/A   Overcast
1:53 PM 21.9 °F 12.5 °F 19.9 °F 92% 30.32 in 4.0 mi ESE 8.1 mph - N/A   Overcast
2:31 PM 21.2 °F 10.9 °F 21.2 °F 100% 30.19 in 2.5 mi ESE 9.2 mph - N/A   Overcast
2:53 PM 21.9 °F 11.7 °F 19.9 °F 92% 30.32 in 2.5 mi ESE 9.2 mph - N/A   Overcast
3:14 PM 21.2 °F 10.1 °F 19.4 °F 93% 30.18 in 3.0 mi ESE 10.4 mph - N/A   Overcast
3:53 PM 21.2 °F 10.1 °F 19.4 °F 93% 30.18 in 3.0 mi SE 10.4 mph - N/A   Overcast
4:01 PM 21.2 °F 8.9 °F 19.4 °F 93% 30.17 in 2.5 mi SE 12.7 mph - N/A   Overcast
4:14 PM 21.2 °F 10.1 °F 19.4 °F 93% 30.17 in 3.0 mi SE 10.4 mph - N/A   Overcast
4:49 PM 19.4 °F 7.2 °F 19.4 °F 100% 30.17 in 2.0 mi SE 11.5 mph - N/A   Overcast
4:53 PM 19.9 °F 8.6 °F 19.0 °F 96% 30.29 in 1.5 mi ESE 10.4 mph - N/A   Overcast
5:15 PM 19.4 °F 7.2 °F 19.4 °F 100% 30.16 in 1.2 mi ESE 11.5 mph - N/A   Overcast
5:38 PM 19.4 °F 7.2 °F 19.4 °F 100% 30.16 in 1.8 mi ESE 11.5 mph - N/A   Overcast
5:48 PM 19.4 °F 7.9 °F 19.4 °F 100% 30.17 in 2.0 mi SE 10.4 mph - N/A   Overcast
5:53 PM 19.9 °F 9.3 °F 19.0 °F 96% 30.29 in 2.0 mi SE 9.2 mph - N/A   Overcast
6:06 PM 19.4 °F 6.6 °F 19.4 °F 100% 30.17 in 4.0 mi ESE 12.7 mph - N/A   Overcast
6:53 PM 21.0 °F 9.9 °F 19.0 °F 92% 30.28 in 5.0 mi ESE 10.4 mph - N/A   Overcast
7:53 PM 21.0 °F 9.3 °F 19.0 °F 92% 30.27 in 7.0 mi ESE 11.5 mph - N/A   Overcast
8:53 PM 21.0 °F 10.6 °F 19.0 °F 92% 30.27 in 6.0 mi ESE 9.2 mph - N/A   Overcast
9:53 PM 21.9 °F 13.4 °F 19.9 °F 92% 30.24 in 5.0 mi SE 6.9 mph - N/A   Overcast
10:53 PM 21.9 °F 12.5 °F 19.9 °F 92% 30.23 in 7.0 mi South 8.1 mph - N/A   Overcast
11:53 PM 21.9 °F 10.4 °F 19.9 °F 92% 30.20 in 6.0 mi South 11.5 mph - N/A   Overcast