Weather History for Glasgow, MT

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 15 °F 13 °F  
Max Temperature 20 °F 23 °F 56 °F (1963)
Min Temperature 9 °F 4 °F -36 °F (1918)
Degree Days  
Heating Degree Days 50 52  
Month to date heating degree days 1523 1510  
Since 1 July heating degree days 3530 3502  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 681 533  
Moisture  
Dew Point 15 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 84    
Precipitation  
Precipitation 0.01 in 0.02 in 0.30 in (1895)
Month to date precipitation 0.49 0.40  
Year to date precipitation 13.05 11.66  
Snow  
Snow 0.20 in 0.30 in 4.00 in (1918)
Month to date snowfall 9.3 8.0  
Since 1 July snowfall 22.6 14.6  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 4 mph (SE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 4 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:57 AM MST 4:22 PM MST
Civil Twilight 7:20 AM MST 4:58 PM MST
Nautical Twilight 6:41 AM MST 5:38 PM MST
Astronomical Twilight 6:03 AM MST 6:16 PM MST
Moon 8:13 PM MST (12/31) 9:24 AM MST (12/31)
Length of Visible Light 9h 38m
Length of Day
8h 25m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:02 AM 19.4 °F 9.5 °F 17.6 °F 93% 30.03 in 4.0 mi East 8.1 mph - 0.00 in Snow Light Snow
12:10 AM 19.4 °F 8.6 °F 17.6 °F 93% 30.03 in 4.0 mi East 9.2 mph - 0.00 in Snow Light Snow
12:23 AM 19.4 °F 8.6 °F 17.6 °F 93% 30.03 in 4.0 mi East 9.2 mph - 0.00 in Snow Light Snow
12:53 AM 19.9 °F 8.6 °F 18.0 °F 92% 30.14 in 4.0 mi East 10.4 mph - 0.00 in Snow Light Snow
1:13 AM 19.4 °F 7.9 °F 17.6 °F 93% 30.03 in 5.0 mi East 10.4 mph - 0.00 in Snow Light Snow
1:23 AM 19.4 °F 8.6 °F 17.6 °F 93% 30.03 in 4.0 mi East 9.2 mph - 0.00 in Snow Light Snow
1:53 AM 19.9 °F 9.3 °F 18.0 °F 92% 30.15 in 5.0 mi ESE 9.2 mph - 0.00 in Snow Light Snow
2:24 AM 19.4 °F 7.9 °F 17.6 °F 93% 30.04 in 9.0 mi East 10.4 mph - 0.00 in   Overcast
2:53 AM 19.9 °F 7.9 °F 17.1 °F 89% 30.16 in 9.0 mi ESE 11.5 mph - 0.00 in   Overcast
3:27 AM 19.4 °F 7.2 °F 17.6 °F 93% 30.04 in 10.0 mi ESE 11.5 mph - N/A   Overcast
3:35 AM 19.4 °F 6.6 °F 17.6 °F 93% 30.04 in 10.0 mi ESE 12.7 mph - N/A   Overcast
3:53 AM 19.0 °F 6.8 °F 17.1 °F 92% 30.15 in 10.0 mi ESE 11.5 mph - N/A   Overcast
4:53 AM 19.0 °F 7.5 °F 17.1 °F 92% 30.14 in 10.0 mi ESE 10.4 mph - N/A   Overcast
5:53 AM 19.9 °F 10.1 °F 17.1 °F 89% 30.14 in 10.0 mi East 8.1 mph - N/A   Overcast
6:53 AM 19.4 °F 11.5 °F 15.8 °F 86% 30.02 in 10.0 mi ESE 5.8 mph - N/A   Overcast
7:53 AM 19.0 °F 11.1 °F 16.0 °F 88% 30.13 in 10.0 mi SSE 5.8 mph - N/A   Overcast
8:53 AM 18.0 °F 9.8 °F 16.0 °F 92% 30.15 in 10.0 mi SSE 5.8 mph - N/A   Overcast
9:53 AM 18.0 °F - 16.0 °F 92% 30.15 in 7.0 mi Calm Calm - N/A   Overcast
10:24 AM 17.6 °F 12.3 °F 17.6 °F 100% 30.03 in 1.8 mi SSW 3.5 mph - N/A   Overcast
10:33 AM 19.4 °F 14.3 °F 17.6 °F 93% 30.03 in 1.0 mi SW 3.5 mph - N/A   Overcast
10:38 AM 19.4 °F 14.3 °F 17.6 °F 93% 30.03 in 0.2 mi SW 3.5 mph - N/A Fog Light Freezing Fog
10:53 AM 18.0 °F - 17.1 °F 96% 30.15 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
11:53 AM 17.1 °F - 16.0 °F 96% 30.13 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
12:05 PM 17.6 °F 12.3 °F 15.8 °F 93% 30.00 in 1.5 mi SSW 3.5 mph - N/A   Overcast
12:09 PM 17.6 °F 12.3 °F 15.8 °F 93% 30.00 in 3.0 mi South 3.5 mph - N/A   Overcast
12:49 PM 17.6 °F 12.3 °F 15.8 °F 93% 30.00 in 1.2 mi WSW 3.5 mph - N/A   Overcast
12:53 PM 18.0 °F 11.1 °F 16.0 °F 92% 30.12 in 0.5 mi WSW 4.6 mph - N/A Fog Light Freezing Fog
1:03 PM 17.6 °F 8.2 °F 15.8 °F 93% 29.99 in 0.2 mi West 6.9 mph - N/A Fog Light Freezing Fog
1:12 PM 17.6 °F 10.7 °F 15.8 °F 93% 29.99 in 1.0 mi WNW 4.6 mph - N/A   Overcast
1:15 PM 17.6 °F 12.3 °F 15.8 °F 93% 29.99 in 2.0 mi WNW 3.5 mph - N/A   Overcast
1:22 PM 17.6 °F 12.3 °F 15.8 °F 93% 29.99 in 8.0 mi WNW 3.5 mph - N/A   Overcast
1:33 PM 17.6 °F 10.7 °F 15.8 °F 93% 29.99 in 10.0 mi WNW 4.6 mph - N/A   Overcast
1:53 PM 17.1 °F 11.7 °F 14.0 °F 88% 30.12 in 10.0 mi WSW 3.5 mph - N/A   Overcast
2:53 PM 16.0 °F 7.4 °F 12.0 °F 84% 30.12 in 10.0 mi SSW 5.8 mph - N/A   Overcast
3:53 PM 14.0 °F - 10.0 °F 84% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:43 PM 14.0 °F 6.5 °F 10.4 °F 86% 30.00 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
4:53 PM 12.9 °F 6.9 °F 10.9 °F 92% 30.13 in 2.5 mi East 3.5 mph - N/A   Scattered Clouds
5:06 PM 12.2 °F 4.3 °F 12.2 °F 100% 30.01 in 1.2 mi East 4.6 mph - N/A   Mostly Cloudy
5:16 PM 14.0 °F 6.5 °F 12.2 °F 93% 30.01 in 2.0 mi East 4.6 mph - N/A   Mostly Cloudy
5:18 PM 14.0 °F 6.5 °F 12.2 °F 93% 30.01 in 3.0 mi East 4.6 mph - N/A   Mostly Cloudy
5:40 PM 14.0 °F - 12.2 °F 93% 30.01 in 1.5 mi Calm Calm - N/A   Overcast
5:43 PM 14.0 °F - 12.2 °F 93% 30.01 in 0.8 mi Calm Calm - N/A   Overcast
5:53 PM 15.8 °F - 12.2 °F 86% 30.02 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
6:03 PM 15.8 °F 10.2 °F 12.2 °F 86% 30.02 in 0.2 mi SE 3.5 mph - N/A Fog Light Freezing Fog
6:10 PM 15.8 °F 8.6 °F 12.2 °F 86% 30.02 in 0.2 mi ESE 4.6 mph - N/A Fog Light Freezing Fog
6:20 PM 15.8 °F 8.6 °F 14.0 °F 93% 30.01 in 0.5 mi ESE 4.6 mph - N/A Fog Light Freezing Fog
6:28 PM 15.8 °F 10.2 °F 14.0 °F 93% 30.02 in 1.5 mi ESE 3.5 mph - N/A   Overcast
6:33 PM 15.8 °F 8.6 °F 14.0 °F 93% 30.02 in 3.0 mi ESE 4.6 mph - N/A   Overcast
6:53 PM 15.1 °F 9.4 °F 12.9 °F 91% 30.15 in 7.0 mi SE 3.5 mph - N/A   Overcast
7:53 PM 15.8 °F 10.2 °F 12.2 °F 86% 30.02 in 7.0 mi East 3.5 mph - N/A   Overcast
8:06 PM 15.8 °F 10.2 °F 12.2 °F 86% 30.02 in 5.0 mi ESE 3.5 mph - N/A   Overcast
8:21 PM 15.8 °F - 12.2 °F 86% 30.02 in 1.5 mi Calm Calm - N/A   Overcast
8:24 PM 15.8 °F - 12.2 °F 86% 30.02 in 0.8 mi Calm Calm - N/A   Overcast
8:36 PM 14.0 °F - 12.2 °F 93% 30.02 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
8:53 PM 12.9 °F 6.9 °F 10.0 °F 88% 30.16 in 0.2 mi East 3.5 mph - N/A Fog Light Freezing Fog
9:53 PM 14.0 °F - 10.9 °F 88% 30.17 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
10:53 PM 12.9 °F - 10.0 °F 88% 30.18 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
11:53 PM 9.0 °F - 6.1 °F 88% 30.19 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog