Weather History for Alamosa, CO

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 4 °F 18 °F  
Max Temperature 23 °F 36 °F 55 °F (1950)
Min Temperature -15 °F 1 °F -28 °F (1961)
Degree Days  
Heating Degree Days 61 47  
Month to date heating degree days 457 494  
Since 1 July heating degree days 2505 2669  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 115 51  
Moisture  
Dew Point -7 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.01 in 0.62 in (1991)
Month to date precipitation 0.27 0.13  
Year to date precipitation 5.04 7.09  
Snow  
Snow 0.00 in 0.10 in 5.30 in (1991)
Month to date snowfall 4.1 1.6  
Since 1 July snowfall 4.1 7.4  
Snow Depth 3.00 in    
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:08 AM MST 4:45 PM MST
Civil Twilight 6:39 AM MST 5:14 PM MST
Nautical Twilight 6:06 AM MST 5:47 PM MST
Astronomical Twilight 5:34 AM MST 6:19 PM MST
Moon 5:07 AM MST (12/11) 3:26 PM MST (12/11)
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM -9.4 °F - -9.4 °F 100% 29.98 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
12:27 AM -2.2 °F - -5.8 °F 85% 29.98 in 1.0 mi Calm Calm - N/A   Clear
12:39 AM -0.4 °F -12.0 °F -4.0 °F 85% 29.98 in 0.8 mi SSW 5.8 mph - N/A   Clear
12:49 AM -2.2 °F -12.5 °F -7.6 °F 78% 29.97 in 0.5 mi SSW 4.6 mph - N/A   Haze
12:52 AM -0.9 °F -11.0 °F -5.1 °F 83% 30.21 in 0.5 mi SSW 4.6 mph - N/A Fog Light Freezing Fog
1:05 AM -2.2 °F - -5.8 °F 85% 29.97 in 1.5 mi Calm Calm - N/A   Partly Cloudy
1:12 AM -2.2 °F - -5.8 °F 85% 29.97 in 8.0 mi Calm Calm - N/A   Partly Cloudy
1:52 AM -13.0 °F -22.7 °F -18.0 °F 78% 30.27 in 6.0 mi NW 3.5 mph - N/A   Haze
2:05 AM -14.8 °F -27.2 °F -20.2 °F 77% 29.97 in 2.5 mi WNW 4.6 mph - N/A   Haze
2:14 AM -14.8 °F - -20.2 °F 77% 29.98 in 2.0 mi Calm Calm - N/A   Haze
2:21 AM -14.8 °F - -18.4 °F 84% 29.98 in 0.8 mi Calm Calm - N/A   Mist
2:41 AM -9.4 °F -18.6 °F -14.8 °F 77% 29.98 in 1.2 mi NNW 3.5 mph - N/A   Overcast
2:52 AM -9.0 °F -18.2 °F -13.0 °F 83% 30.29 in 1.2 mi WNW 3.5 mph - N/A   Overcast
3:04 AM -9.4 °F -20.9 °F -13.0 °F 84% 29.98 in 0.8 mi West 4.6 mph - N/A   Mist
3:11 AM -9.4 °F - -11.2 °F 92% 29.99 in 1.2 mi Calm Calm - N/A   Overcast
3:29 AM -7.6 °F -18.8 °F -11.2 °F 84% 29.98 in 2.0 mi NW 4.6 mph - N/A   Overcast
3:36 AM -5.8 °F -16.7 °F -9.4 °F 84% 29.98 in 0.8 mi NE 4.6 mph - N/A   Mist
3:52 AM -6.0 °F - -9.9 °F 83% 30.28 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
4:52 AM -8.0 °F -19.2 °F -11.9 °F 83% 30.36 in 0.2 mi WSW 4.6 mph - N/A Fog Light Freezing Fog
5:52 AM -9.0 °F -18.2 °F -13.0 °F 83% 30.39 in 0.2 mi SSW 3.5 mph - N/A Fog Light Freezing Fog
6:52 AM -11.0 °F - -15.0 °F 83% 30.44 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
7:52 AM -6.0 °F -14.7 °F -9.9 °F 83% 30.41 in 0.2 mi South 3.5 mph - N/A Fog Light Freezing Fog
8:14 AM -5.8 °F -14.5 °F -9.4 °F 84% 30.04 in 1.0 mi South 3.5 mph - N/A   Overcast
8:19 AM -5.8 °F - -9.4 °F 84% 30.04 in 2.0 mi Calm Calm - N/A   Overcast
8:21 AM -5.8 °F -14.5 °F -7.6 °F 92% 30.04 in 4.0 mi SSW 3.5 mph - N/A   Overcast
8:29 AM -4.0 °F -14.6 °F -7.6 °F 85% 30.05 in 10.0 mi SW 4.6 mph - N/A   Overcast
8:52 AM -0.9 °F - -6.0 °F 79% 30.37 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:52 AM 3.9 °F - 1.9 °F 91% 30.36 in 8.0 mi Calm Calm - N/A   Clear
10:52 AM 7.0 °F - 3.9 °F 87% 30.39 in 10.0 mi Calm Calm - N/A   Clear
11:52 AM 10.0 °F - 3.0 °F 73% 30.37 in 10.0 mi Calm Calm - N/A   Clear
12:52 PM 12.9 °F - 6.1 °F 74% 30.29 in 10.0 mi Calm Calm - N/A   Clear
1:52 PM 17.1 °F - 8.1 °F 68% 30.33 in 10.0 mi Calm Calm - N/A   Clear
2:52 PM 21.9 °F - 8.1 °F 55% 30.27 in 10.0 mi Calm Calm - N/A   Clear
3:52 PM 23.0 °F - 7.0 °F 50% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:52 PM 17.1 °F - 5.0 °F 59% 30.30 in 10.0 mi Calm Calm - N/A   Clear
5:52 PM -0.0 °F -11.6 °F -2.0 °F 91% 30.43 in 10.0 mi West 5.8 mph - N/A   Clear
6:52 PM -0.9 °F -8.9 °F -4.0 °F 87% 30.45 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:52 PM -0.0 °F - -2.9 °F 88% 30.45 in 10.0 mi Calm Calm - N/A   Clear
8:52 PM -7.1 °F - -11.0 °F 83% 30.45 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM -9.0 °F -18.2 °F -13.0 °F 83% 30.44 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:52 PM -9.0 °F -22.3 °F -13.0 °F 83% 30.43 in 10.0 mi West 5.8 mph - N/A   Clear
11:52 PM -8.0 °F -22.5 °F -11.0 °F 86% 30.42 in 10.0 mi WNW 6.9 mph - N/A   Clear