Weather History for Flagstaff, AZ

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Monday, May 16, 2011

  Actual Average Record
Temperature  
Mean Temperature 52 °F 52 °F  
Max Temperature 62 °F 68 °F 80 °F (1970)
Min Temperature 42 °F 35 °F 16 °F (1955)
Degree Days  
Heating Degree Days 13 13  
Month to date heating degree days 285 245  
Since 1 July heating degree days 6231 6601  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 21 °F    
Average Humidity 33    
Maximum Humidity 49    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.02 in 0.30 in (1951)
Month to date precipitation 0.11 0.32  
Year to date precipitation 5.51 7.80  
Snow  
Snow 0.00 in 0.00 in 1.90 in (1944)
Month to date snowfall T 0.6  
Since 1 July snowfall 86.7 101.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 20 mph (SW)    
Max Wind Speed 37 mph    
Max Gust Speed 47 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 16, 2011 Rise Set
Actual Time 5:22 AM MST 7:24 PM MST
Civil Twilight 4:54 AM MST 7:52 PM MST
Nautical Twilight 4:19 AM MST 8:27 PM MST
Astronomical Twilight 3:42 AM MST 9:03 PM MST
Moon 7:00 PM MST (5/16) 4:28 AM MST (5/16)
Length of Visible Light 14h 58m
Length of Day
14h 02m
Waxing Gibbous, 99% of the Moon is Illuminated
May 16
Waxing Gibbous
May 17
Full
May 24
Last Quarter
Jun 1
New
Jun 8
First Quarter

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 48.0 °F - 21.0 °F 34% 29.75 in 10.0 mi WSW 10.4 mph 16.1 mph N/A   Clear
1:57 AM 46.0 °F 41.9 °F 21.9 °F 39% 29.75 in 10.0 mi WSW 8.1 mph - N/A   Clear
2:57 AM 46.0 °F 40.2 °F 21.9 °F 39% 29.74 in 10.0 mi SW 12.7 mph 19.6 mph N/A   Clear
3:57 AM 45.0 °F 38.2 °F 21.9 °F 40% 29.76 in 10.0 mi WSW 15.0 mph 21.9 mph N/A   Clear
4:57 AM 44.1 °F 39.0 °F 23.0 °F 43% 29.77 in 10.0 mi WSW 9.2 mph - N/A   Clear
6:57 AM 46.0 °F 39.0 °F 28.0 °F 50% 29.80 in 10.0 mi SW 17.3 mph - N/A   Clear
7:57 AM 48.9 °F - 28.0 °F 44% 29.80 in 10.0 mi SW 21.9 mph 28.8 mph N/A   Clear
8:57 AM 52.0 °F - 28.0 °F 40% 29.81 in 10.0 mi SW 24.2 mph 33.4 mph N/A   Clear
9:57 AM 54.0 °F - 28.9 °F 38% 29.80 in 10.0 mi SSW 19.6 mph 36.8 mph N/A   Clear
10:57 AM 57.0 °F - 28.0 °F 33% 29.79 in 10.0 mi SW 19.6 mph 28.8 mph N/A   Clear
11:57 AM 57.9 °F - 27.0 °F 31% 29.76 in 10.0 mi SW 25.3 mph 35.7 mph N/A   Clear
12:57 PM 60.1 °F - 26.1 °F 27% 29.76 in 10.0 mi WSW 19.6 mph 35.7 mph N/A   Clear
1:57 PM 61.0 °F - 21.9 °F 22% 29.76 in 10.0 mi SW 24.2 mph 35.7 mph N/A   Clear
2:57 PM 60.1 °F - 14.0 °F 16% 29.75 in 10.0 mi SSW 21.9 mph 36.8 mph N/A   Clear
3:57 PM 59.0 °F - 19.0 °F 21% 29.73 in 10.0 mi SSW 25.3 mph 33.4 mph N/A   Clear
4:57 PM 57.9 °F - 16.0 °F 19% 29.73 in 10.0 mi SW 29.9 mph 41.4 mph N/A   Clear
5:57 PM 55.9 °F - 18.0 °F 23% 29.73 in 10.0 mi SW 31.1 mph 38.0 mph N/A   Clear
6:57 PM 52.0 °F - 17.1 °F 25% 29.72 in 10.0 mi SSW 27.6 mph 36.8 mph N/A   Clear
7:57 PM 50.0 °F - 15.1 °F 25% 29.73 in 10.0 mi SW 26.5 mph 33.4 mph N/A   Clear
8:57 PM 48.9 °F - 12.9 °F 24% 29.72 in 10.0 mi SSW 24.2 mph 32.2 mph N/A   Clear
9:57 PM 46.9 °F - 10.9 °F 23% 29.73 in 10.0 mi SW 16.1 mph 25.3 mph N/A   Clear
10:57 PM 46.9 °F - 12.0 °F 24% 29.72 in 10.0 mi SSW 13.8 mph - N/A   Mostly Cloudy
11:57 PM 46.0 °F 39.3 °F 12.0 °F 25% 29.70 in 10.0 mi WSW 16.1 mph 24.2 mph N/A   Mostly Cloudy