Weather History for Flagstaff, AZ

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Sunday, December 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 24 °F 29 °F  
Max Temperature 32 °F 42 °F 63 °F (1958)
Min Temperature 16 °F 16 °F -18 °F (1971)
Degree Days  
Heating Degree Days 41 36  
Month to date heating degree days 491 557  
Since 1 July heating degree days 1934 2289  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 164 117  
Moisture  
Dew Point 20 °F    
Average Humidity 82    
Maximum Humidity 100    
Minimum Humidity 63    
Precipitation  
Precipitation T in 0.05 in 1.74 in (1908)
Month to date precipitation 1.44 0.91  
Year to date precipitation 14.25 20.90  
Snow  
Snow T in 0.50 in 8.00 in (2008)
Month to date snowfall 20.3 8.2  
Since 1 July snowfall 21.4 20.4  
Snow Depth 17.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 17 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 16, 2012 Rise Set
Actual Time 7:28 AM MST 5:16 PM MST
Civil Twilight 7:00 AM MST 5:44 PM MST
Nautical Twilight 6:28 AM MST 6:16 PM MST
Astronomical Twilight 5:57 AM MST 6:47 PM MST
Moon 10:10 AM MST (12/16) 9:27 PM MST (12/16)
Length of Visible Light 10h 44m
Length of Day
9h 47m
Waxing Crescent, 16% of the Moon is Illuminated
Dec 16
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:57 AM 17.1 °F 11.7 °F 15.1 °F 92% 29.97 in 10.0 mi NW 3.5 mph - N/A   Overcast
1:57 AM 19.9 °F 11.1 °F 18.0 °F 92% 29.95 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
2:55 AM 23.0 °F 12.4 °F 21.2 °F 93% 29.93 in 10.0 mi WSW 10.4 mph - N/A   Overcast
2:57 AM 21.9 °F 12.5 °F 21.0 °F 96% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Overcast
3:37 AM 21.2 °F 13.6 °F 19.4 °F 93% 29.93 in 10.0 mi West 5.8 mph - N/A   Overcast
3:57 AM 21.9 °F 12.5 °F 21.0 °F 96% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Overcast
4:28 AM 21.2 °F 14.9 °F 19.4 °F 93% 29.94 in 10.0 mi WNW 4.6 mph - N/A   Overcast
4:57 AM 23.0 °F 11.1 °F 19.9 °F 88% 29.96 in 10.0 mi WSW 12.7 mph - N/A   Overcast
5:57 AM 21.9 °F 12.5 °F 19.0 °F 89% 29.99 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
6:57 AM 21.0 °F 11.4 °F 18.0 °F 88% 30.01 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
7:40 AM 15.8 °F - 14.0 °F 93% 29.97 in 1.0 mi Calm Calm - 0.00 in Snow Light Snow
7:47 AM 15.8 °F 7.2 °F 14.0 °F 93% 29.98 in 0.8 mi West 5.8 mph - 0.00 in Snow Light Snow
7:51 AM 17.6 °F 9.3 °F 15.8 °F 93% 29.98 in 3.0 mi WSW 5.8 mph - 0.00 in   Partly Cloudy
7:57 AM 16.0 °F 7.4 °F 15.1 °F 96% 30.06 in 3.0 mi WSW 5.8 mph - 0.00 in   Partly Cloudy
8:57 AM 21.0 °F 16.2 °F 18.0 °F 88% 30.12 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
9:08 AM 21.2 °F 16.4 °F 17.6 °F 86% 30.02 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
9:49 AM 23.0 °F 14.7 °F 19.4 °F 86% 30.04 in 10.0 mi Variable 6.9 mph - N/A   Overcast
9:57 AM 23.0 °F 14.7 °F 19.9 °F 88% 30.14 in 10.0 mi West 6.9 mph - N/A   Overcast
10:57 AM 24.1 °F 15.2 °F 19.9 °F 84% 30.14 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
11:57 AM 27.0 °F 18.0 °F 21.0 °F 78% 30.11 in 10.0 mi West 9.2 mph - N/A   Clear
12:57 PM 30.0 °F 24.1 °F 21.9 °F 72% 30.06 in 10.0 mi West 5.8 mph - N/A   Clear
1:57 PM 30.0 °F 21.1 °F 21.0 °F 69% 30.06 in 10.0 mi WSW 10.4 mph 16.1 mph N/A   Clear
2:57 PM 30.0 °F 22.4 °F 19.9 °F 66% 30.05 in 10.0 mi WSW 8.1 mph - N/A   Clear
3:57 PM 28.9 °F 21.1 °F 21.9 °F 75% 30.04 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
4:29 PM 26.6 °F 15.7 °F 24.8 °F 93% 30.03 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
4:40 PM 26.6 °F 15.2 °F 24.8 °F 93% 30.03 in 10.0 mi SSW 13.8 mph - N/A   Mostly Cloudy
4:57 PM 27.0 °F 15.6 °F 26.1 °F 96% 30.08 in 10.0 mi SW 13.8 mph - N/A   Overcast
5:22 PM 26.6 °F 15.7 °F 24.8 °F 93% 30.05 in 10.0 mi SW 12.7 mph - N/A   Overcast
5:45 PM 26.6 °F 16.2 °F 24.8 °F 93% 30.05 in 10.0 mi SW 11.5 mph - N/A   Overcast
5:57 PM 27.0 °F 17.3 °F 25.0 °F 92% 30.09 in 10.0 mi SW 10.4 mph - N/A   Overcast
6:57 PM 26.1 °F 20.5 °F 24.1 °F 92% 30.11 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
7:10 PM 26.6 °F 20.0 °F 21.2 °F 80% 30.07 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
7:57 PM 21.9 °F 14.5 °F 19.9 °F 92% 30.19 in 10.0 mi SW 5.8 mph - N/A   Clear
8:57 PM 21.0 °F 12.4 °F 19.0 °F 92% 30.19 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
9:02 PM 21.2 °F 13.6 °F 19.4 °F 93% 30.11 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
9:57 PM 25.0 °F 20.7 °F 21.9 °F 88% 30.16 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:57 PM 26.1 °F 20.5 °F 23.0 °F 88% 30.15 in 10.0 mi WSW 4.6 mph - N/A   Overcast
11:37 PM 26.6 °F 20.0 °F 23.0 °F 86% 30.12 in 10.0 mi WSW 5.8 mph - N/A   Overcast
11:57 PM 26.1 °F 18.4 °F 23.0 °F 88% 30.14 in 10.0 mi Variable 6.9 mph - N/A   Overcast