Weather History for Alamosa, CO

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 11 °F 16 °F  
Max Temperature 22 °F 34 °F 55 °F (1980)
Min Temperature 0 °F -2 °F -30 °F (1974)
Degree Days  
Heating Degree Days 54 49  
Month to date heating degree days 1646 1462  
Since 1 July heating degree days 3694 3637  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 115 51  
Moisture  
Dew Point 11 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 74    
Precipitation  
Precipitation 0.20 in 0.01 in 0.20 in (2012)
Month to date precipitation 0.81 0.35  
Year to date precipitation 5.58 7.31  
Snow  
Snow 3.30 in 0.10 in 3.30 in (2012)
Month to date snowfall 12.1 4.5  
Since 1 July snowfall 12.1 10.3  
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 2 mph (NNE)    
Max Wind Speed 9 mph    
Max Gust Speed 10 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 7:17 AM MST 4:55 PM MST
Civil Twilight 6:48 AM MST 5:24 PM MST
Nautical Twilight 6:16 AM MST 5:57 PM MST
Astronomical Twilight 5:44 AM MST 6:29 PM MST
Moon 8:24 PM MST (12/31) 9:04 AM MST (12/31)
Length of Visible Light 10h 36m
Length of Day
9h 37m
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
12:52 AM 3.9 °F -3.4 °F -0.0 °F 84% 30.08 in 10.0 mi West 3.5 mph - 0.00 in   Mostly Cloudy
1:52 AM 6.1 °F - 1.9 °F 83% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
2:52 AM 3.0 °F -6.4 °F -0.9 °F 84% 30.05 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
3:37 AM 1.4 °F - -0.4 °F 92% 29.80 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:52 AM 3.9 °F -5.3 °F 1.0 °F 88% 30.02 in 10.0 mi North 4.6 mph - N/A   Overcast
4:52 AM 6.1 °F - 3.0 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
5:52 AM 7.0 °F - 3.0 °F 84% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
6:52 AM 8.6 °F 2.0 °F 3.2 °F 79% 29.78 in 3.0 mi SW 3.5 mph - N/A Snow Light Snow
7:05 AM 8.6 °F -1.3 °F 3.2 °F 79% 29.78 in 2.0 mi WSW 5.8 mph - 0.00 in Snow Light Snow
7:13 AM 8.6 °F 0.1 °F 3.2 °F 79% 29.78 in 1.0 mi SW 4.6 mph - 0.00 in Snow Light Snow
7:52 AM 8.1 °F - 3.9 °F 83% 30.07 in 0.8 mi Calm Calm - 0.01 in Snow Light Snow
8:02 AM 6.8 °F -0.1 °F 3.2 °F 85% 29.79 in 1.8 mi South 3.5 mph - 0.00 in Snow Light Snow
8:06 AM 6.8 °F -0.1 °F 3.2 °F 85% 29.79 in 3.0 mi South 3.5 mph - 0.00 in Snow Light Snow
8:52 AM 9.0 °F - 5.0 °F 84% 30.10 in 10.0 mi Calm Calm - 0.00 in   Overcast
9:52 AM 14.0 °F - 9.0 °F 80% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
10:52 AM 17.1 °F - 10.9 °F 77% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
11:21 AM 17.6 °F - 10.4 °F 73% 29.80 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
11:41 AM 17.6 °F - 12.2 °F 79% 29.79 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
11:52 AM 18.0 °F - 12.0 °F 78% 29.98 in 4.0 mi Calm Calm - 0.00 in   Haze
12:52 PM 21.0 °F 12.4 °F 14.0 °F 74% 29.96 in 3.0 mi ENE 6.9 mph - 0.00 in Snow Light Snow
1:02 PM 21.2 °F 13.6 °F 14.0 °F 74% 29.77 in 2.5 mi East 5.8 mph - 0.00 in Snow Light Snow
1:27 PM 21.2 °F 13.6 °F 15.8 °F 80% 29.76 in 1.5 mi East 5.8 mph - 0.00 in Snow Light Snow
1:42 PM 21.2 °F 12.6 °F 15.8 °F 80% 29.76 in 2.0 mi ENE 6.9 mph - 0.00 in Snow Light Snow
1:45 PM 21.2 °F 12.6 °F 15.8 °F 80% 29.76 in 1.8 mi NE 6.9 mph - 0.00 in Snow Light Snow
1:52 PM 21.0 °F 11.4 °F 15.1 °F 78% 29.94 in 1.5 mi NE 8.1 mph - 0.00 in Snow Light Snow
2:08 PM 21.2 °F 13.6 °F 15.8 °F 80% 29.77 in 2.0 mi ENE 5.8 mph - 0.01 in Snow Light Snow
2:23 PM 21.2 °F 16.4 °F 15.8 °F 80% 29.77 in 3.0 mi East 3.5 mph - 0.01 in Snow Light Snow
2:37 PM 21.2 °F 16.4 °F 15.8 °F 80% 29.78 in 2.0 mi ENE 3.5 mph - 0.01 in Snow Light Snow
2:44 PM 21.2 °F - 15.8 °F 80% 29.78 in 1.2 mi Calm Calm - 0.01 in Snow Light Snow
2:52 PM 21.9 °F 17.2 °F 16.0 °F 78% 29.97 in 1.5 mi North 3.5 mph - 0.01 in Snow Light Snow
3:17 PM 21.2 °F 16.4 °F 17.6 °F 86% 29.78 in 0.5 mi North 3.5 mph - 0.01 in Fog , Snow Snow
3:30 PM 21.2 °F 16.4 °F 17.6 °F 86% 29.78 in 1.2 mi North 3.5 mph - 0.01 in Snow Light Snow
3:47 PM 21.2 °F 14.9 °F 17.6 °F 86% 29.79 in 0.5 mi North 4.6 mph - 0.02 in Fog , Snow Snow
3:52 PM 19.9 °F 13.4 °F 17.1 °F 89% 29.99 in 0.5 mi North 4.6 mph - 0.02 in Fog , Snow Snow
4:07 PM 19.4 °F 12.8 °F 17.6 °F 93% 29.79 in 0.2 mi North 4.6 mph - 0.02 in Fog , Snow Snow
4:52 PM 19.0 °F 10.0 °F 17.1 °F 92% 29.99 in 0.5 mi North 6.9 mph - 0.07 in Fog , Snow Snow
5:22 PM 17.6 °F 8.2 °F 15.8 °F 93% 29.81 in 1.0 mi North 6.9 mph - 0.03 in Snow Light Snow
5:34 PM 17.6 °F 8.2 °F 15.8 °F 93% 29.81 in 1.8 mi NNW 6.9 mph - 0.03 in Snow Light Snow
5:52 PM 18.0 °F 11.1 °F 15.1 °F 88% 30.01 in 1.8 mi NNW 4.6 mph - 0.04 in Snow Light Snow
6:52 PM 18.0 °F 9.8 °F 15.1 °F 88% 30.03 in 1.2 mi NNW 5.8 mph - 0.02 in Snow Light Snow
7:17 PM 17.6 °F - 15.8 °F 93% 29.85 in 2.5 mi Calm Calm - 0.01 in Snow Light Snow
7:39 PM 17.6 °F - 14.0 °F 86% 29.86 in 3.0 mi Calm Calm - 0.01 in Snow Light Snow
7:52 PM 17.1 °F - 14.0 °F 88% 30.05 in 4.0 mi Calm Calm - 0.01 in Snow Light Snow
8:07 PM 17.6 °F - 14.0 °F 86% 29.86 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
8:18 PM 17.6 °F - 14.0 °F 86% 29.87 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
8:29 PM 15.8 °F - 14.0 °F 93% 29.87 in 2.5 mi Calm Calm - 0.01 in Snow Light Snow
8:47 PM 15.8 °F - 14.0 °F 93% 29.88 in 4.0 mi Calm Calm - 0.01 in Snow Light Snow
8:52 PM 16.0 °F - 14.0 °F 92% 30.07 in 4.0 mi Calm Calm - 0.01 in Snow Light Snow
9:06 PM 15.8 °F - 12.2 °F 86% 29.88 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
9:10 PM 15.8 °F - 12.2 °F 86% 29.88 in 3.0 mi Calm Calm - 0.00 in Snow Light Snow
9:40 PM 15.8 °F - 12.2 °F 86% 29.88 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
9:52 PM 12.9 °F - 10.9 °F 92% 30.07 in 2.0 mi Calm Calm - 0.00 in   Overcast
9:59 PM 12.2 °F - 10.4 °F 92% 29.89 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
10:05 PM 12.2 °F - 10.4 °F 92% 29.89 in 3.0 mi Calm Calm - 0.01 in   Overcast
10:20 PM 12.2 °F - 10.4 °F 92% 29.90 in 3.0 mi Calm Calm - 0.01 in   Mostly Cloudy
10:22 PM 12.2 °F 6.1 °F 10.4 °F 92% 29.90 in 1.5 mi SSW 3.5 mph - 0.01 in   Mostly Cloudy
10:52 PM 7.0 °F - 7.0 °F 100% 30.12 in 0.5 mi Calm Calm - 0.01 in Fog Light Freezing Fog
11:52 PM 6.1 °F - 5.0 °F 95% 30.12 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog