Weather History for MMSD - December, 2012

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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 77 °F 78 °F 84 °F (2003)
Min Temperature 59 °F 57 °F 50 °F (2011)
Cooling Degree Days 3    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 64    
Maximum Humidity 88    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 7 mph ()    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 13.5 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Dec. 20, 2012 Rise Set
Actual Time 6:55 AM MST 5:38 PM MST
Civil Twilight 6:30 AM MST 6:02 PM MST
Nautical Twilight 6:02 AM MST 6:30 PM MST
Astronomical Twilight 5:35 AM MST 6:58 PM MST
Moon 12:26 PM MST (12/20) 12:20 AM MST (12/20)
Length of Visible Light 11h 32m
Length of Day
10h 42m
First Quarter, 56% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:40 AM 59.0 °F 53.6 °F 82% 30.01 in 12.0 mi NW 3.5 mph - N/A   Mostly Cloudy
7:49 AM 64.4 °F 53.6 °F 68% 30.01 in 12.0 mi West 4.6 mph - N/A   Mostly Cloudy
8:40 AM 68.0 °F 55.4 °F 64% 30.04 in 12.0 mi NW 5.8 mph - N/A   Mostly Cloudy
9:40 AM 71.6 °F 55.4 °F 57% 30.05 in 15.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
10:41 AM 73.4 °F 53.6 °F 50% 30.01 in 15.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
11:47 AM 75.2 °F 53.6 °F 47% 30.00 in 12.0 mi NW 4.6 mph - N/A   Mostly Cloudy
12:42 PM 75.2 °F 53.6 °F 47% 29.97 in 15.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
1:43 PM 75.2 °F 53.6 °F 47% 29.91 in 15.0 mi North 13.8 mph - N/A   Mostly Cloudy
2:40 PM 77.0 °F 55.4 °F 47% 29.93 in 15.0 mi North 9.2 mph - N/A   Mostly Cloudy
3:40 PM 75.2 °F 55.4 °F 50% 29.94 in 15.0 mi North 11.5 mph - N/A   Mostly Cloudy
4:42 PM 71.6 °F 57.2 °F 60% 29.93 in 13.0 mi North 12.7 mph - N/A   Mostly Cloudy
5:41 PM 68.0 °F 57.2 °F 68% 29.97 in 13.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
6:54 PM 66.2 °F 57.2 °F 73% 29.98 in 13.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
7:51 PM 64.4 °F 57.2 °F 77% 29.97 in 13.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
9:41 PM 62.6 °F 57.2 °F 82% 30.01 in 13.0 mi West 5.8 mph - N/A   Partly Cloudy
10:40 PM 60.8 °F 55.4 °F 82% 29.99 in 13.0 mi West 6.9 mph - N/A   Clear
11:45 PM 60.8 °F 57.2 °F 88% 30.02 in 13.0 mi West 8.1 mph - N/A   Clear