Weather History for Flagstaff, AZ

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 21 °F 29 °F  
Max Temperature 28 °F 42 °F 62 °F (1945)
Min Temperature 13 °F 17 °F -16 °F (1911)
Degree Days  
Heating Degree Days 44 36  
Month to date heating degree days 1128 1097  
Since 1 July heating degree days 2571 2828  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 164 117  
Moisture  
Dew Point 14 °F    
Average Humidity 80    
Maximum Humidity 92    
Minimum Humidity 68    
Precipitation  
Precipitation 0.04 in 0.07 in 1.22 in (1915)
Month to date precipitation 2.08 1.87  
Year to date precipitation 14.89 21.86  
Snow  
Snow 1.20 in 0.60 in 20.00 in (1915)
Month to date snowfall 28.5 16.9  
Since 1 July snowfall 29.6 29.1  
Snow Depth 12.00 in    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 8 miles    
Events 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 7:34 AM MST 5:25 PM MST
Civil Twilight 7:06 AM MST 5:53 PM MST
Nautical Twilight 6:35 AM MST 6:24 PM MST
Astronomical Twilight 6:04 AM MST 6:55 PM MST
Moon 8:51 PM MST (12/31) 9:25 AM MST (12/31)
Length of Visible Light 10h 46m
Length of Day
9h 50m
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
12:05 AM 24.8 °F 19.1 °F - N/A% 29.80 in 1.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow
12:21 AM 24.8 °F 20.5 °F - N/A% 29.80 in 2.0 mi WSW 3.5 mph - 0.01 in Snow Light Snow
12:42 AM 23.0 °F 14.7 °F - N/A% 29.80 in 3.0 mi West 6.9 mph - 0.01 in Snow Light Snow
12:57 AM 23.0 °F 17.0 °F - N/A% 29.81 in 5.0 mi West 4.6 mph - 0.01 in Snow Light Snow
1:25 AM 23.0 °F 18.4 °F - N/A% 29.81 in 1.5 mi WSW 3.5 mph - 0.00 in Snow Light Snow
1:28 AM 23.0 °F 17.0 °F - N/A% 29.81 in 0.8 mi WSW 4.6 mph - 0.01 in Snow Light Snow
1:43 AM 23.0 °F 14.7 °F - N/A% 29.81 in 2.0 mi SW 6.9 mph - 0.02 in Snow Light Snow
1:46 AM 23.0 °F 14.7 °F - N/A% 29.81 in 4.0 mi WSW 6.9 mph - 0.02 in Snow Light Snow
1:57 AM 23.0 °F 15.8 °F - N/A% 29.82 in 7.0 mi WSW 5.8 mph - 0.02 in   Overcast
2:34 AM 21.2 °F 11.7 °F - N/A% 29.82 in 1.8 mi West 8.1 mph - 0.01 in Snow Light Snow
2:39 AM 21.2 °F 11.7 °F - N/A% 29.82 in 0.8 mi WSW 8.1 mph - 0.01 in Snow Light Snow
2:53 AM 21.2 °F 12.6 °F - N/A% 29.82 in 3.0 mi SW 6.9 mph - 0.01 in Snow Light Snow
2:57 AM 19.9 °F 11.1 °F - N/A% 29.85 in 8.0 mi WSW 6.9 mph - 0.01 in Snow Light Snow
3:07 AM 17.6 °F 10.7 °F - N/A% 29.83 in 10.0 mi SW 4.6 mph - 0.00 in   Scattered Clouds
3:57 AM 15.1 °F - - N/A% 29.88 in 10.0 mi Calm Calm - 0.00 in   Partly Cloudy
4:12 AM 15.8 °F - - N/A% 29.83 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
4:19 AM 14.0 °F - - N/A% 29.83 in 7.0 mi Calm Calm - 0.00 in Snow Light Snow
4:26 AM 15.8 °F 10.2 °F - N/A% 29.84 in 9.0 mi Variable 3.5 mph - 0.00 in   Overcast
4:37 AM 17.6 °F 10.7 °F - N/A% 29.84 in 8.0 mi SW 4.6 mph - 0.00 in   Overcast
4:44 AM 17.6 °F 9.3 °F - N/A% 29.84 in 10.0 mi SW 5.8 mph - 0.00 in   Overcast
4:57 AM 19.9 °F 13.4 °F - N/A% 29.88 in 10.0 mi West 4.6 mph - 0.00 in   Overcast
5:57 AM 19.9 °F 13.4 °F - N/A% 29.90 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
6:57 AM 19.0 °F - - N/A% 29.94 in 9.0 mi Calm Calm - N/A   Overcast
7:43 AM 17.6 °F 10.7 °F - N/A% 29.90 in 2.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow
7:50 AM 17.6 °F 10.7 °F - N/A% 29.90 in 10.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow
7:57 AM 16.0 °F 8.8 °F - N/A% 29.97 in 10.0 mi West 4.6 mph - 0.00 in   Mostly Cloudy
8:09 AM 19.4 °F 11.5 °F - N/A% 29.91 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
8:27 AM 15.8 °F 7.2 °F - N/A% 29.92 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:57 AM 17.1 °F 7.6 °F - N/A% 30.00 in 5.0 mi SW 6.9 mph - 0.00 in Snow Light Snow
9:39 AM 21.2 °F 12.6 °F - N/A% 29.95 in 10.0 mi West 6.9 mph - 0.00 in   Partly Cloudy
9:57 AM 21.9 °F 13.4 °F - N/A% 30.01 in 10.0 mi WSW 6.9 mph - 0.00 in   Scattered Clouds
10:09 AM 24.8 °F 16.1 °F - N/A% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
10:57 AM 25.0 °F 15.5 °F - N/A% 30.01 in 10.0 mi WSW 9.2 mph - 0.00 in   Overcast
11:30 AM 24.8 °F - - N/A% 29.97 in - North - - 0.00 in   Unknown
11:57 AM 26.1 °F 17.6 °F 17.1 °F 69% 30.00 in 9.0 mi NW 8.1 mph - N/A   Unknown
12:22 PM 24.8 °F 19.1 °F 15.8 °F 69% 29.96 in 10.0 mi Variable 4.6 mph - N/A   Overcast
12:57 PM 25.0 °F 16.3 °F 16.0 °F 69% 30.00 in 10.0 mi West 8.1 mph 16.1 mph N/A   Overcast
1:57 PM 25.0 °F 16.3 °F 16.0 °F 69% 29.99 in 10.0 mi WSW 8.1 mph - N/A   Overcast
2:47 PM 26.6 °F 16.8 °F 15.8 °F 64% 29.97 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
2:57 PM 25.0 °F 14.2 °F 16.0 °F 69% 30.01 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
3:50 PM 24.8 °F 17.9 °F 14.0 °F 64% 30.00 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
3:57 PM 24.1 °F 16.0 °F 15.1 °F 69% 30.08 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
4:57 PM 21.9 °F 14.5 °F 14.0 °F 72% 30.11 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:57 PM 18.0 °F 11.1 °F 12.9 °F 81% 30.12 in 10.0 mi WSW 4.6 mph - N/A   Clear
6:57 PM 18.0 °F 11.1 °F 14.0 °F 84% 30.12 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
7:57 PM 17.1 °F 11.7 °F 12.9 °F 84% 30.14 in 10.0 mi West 3.5 mph - N/A   Clear
8:57 PM 12.9 °F - 10.0 °F 88% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
9:16 PM 14.0 °F - 10.4 °F 86% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:57 PM 16.0 °F 6.3 °F 12.9 °F 88% 30.16 in 10.0 mi WSW 6.9 mph - N/A   Overcast
10:54 PM 12.2 °F 4.3 °F 8.6 °F 85% 30.08 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
10:57 PM 14.0 °F 5.1 °F 10.0 °F 84% 30.18 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
11:53 PM 17.6 °F 10.7 °F 14.0 °F 86% 30.08 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
11:57 PM 16.0 °F 8.8 °F 14.0 °F 92% 30.16 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy