Weather History for Phoenix, AZ

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 85 °F 84 °F  
Max Temperature 99 °F 96 °F 109 °F (2005)
Min Temperature 71 °F 71 °F 48 °F (1902)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 881 934  
Cooling Degree Days 20 19  
Month to date cooling degree days 382 329  
Year to date cooling degree days 886 684  
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 23 °F    
Average Humidity 14    
Maximum Humidity 22    
Minimum Humidity 5    
Precipitation  
Precipitation 0.00 in 0.00 in 0.42 in (1920)
Month to date precipitation 0.00 0.08  
Year to date precipitation 2.61 3.18  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Year to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.74 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:23 AM MST 7:25 PM MST
Civil Twilight 4:55 AM MST 7:53 PM MST
Nautical Twilight 4:22 AM MST 8:27 PM MST
Astronomical Twilight 3:45 AM MST 9:04 PM MST
Moon 3:53 PM MST (5/21) 2:42 AM MST (5/21)
Length of Visible Light 14h 57m
Length of Day
14h 02m
Waxing Gibbous, 85% of the Moon is Illuminated
May 21
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 77.0 °F 25.0 °F 15% 29.76 in 10.0 mi SW 4.6 mph - N/A   Clear
1:51 AM 77.0 °F 27.0 °F 16% 29.77 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 77.0 °F 27.0 °F 16% 29.77 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 72.0 °F 30.0 °F 21% 29.79 in 10.0 mi East 5.8 mph - N/A   Clear
4:51 AM 73.0 °F 24.1 °F 16% 29.78 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
5:51 AM 71.1 °F 28.9 °F 21% 29.81 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
6:51 AM 75.0 °F 26.1 °F 16% 29.82 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
7:51 AM 78.1 °F 23.0 °F 13% 29.83 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
8:51 AM 82.0 °F 25.0 °F 12% 29.84 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
9:51 AM 87.1 °F 26.1 °F 11% 29.83 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
10:51 AM 90.0 °F 26.1 °F 10% 29.81 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
11:51 AM 93.9 °F 21.9 °F 7% 29.80 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
12:51 PM 95.0 °F 21.0 °F 7% 29.77 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
1:51 PM 98.1 °F 19.0 °F 6% 29.75 in 10.0 mi WSW 10.4 mph 16.1 mph N/A   Scattered Clouds
2:51 PM 98.1 °F 18.0 °F 6% 29.72 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
3:51 PM 96.1 °F 19.0 °F 6% 29.70 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
4:51 PM 96.1 °F 19.0 °F 6% 29.68 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
5:51 PM 96.1 °F 17.1 °F 6% 29.66 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
6:51 PM 95.0 °F 19.0 °F 6% 29.66 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
7:51 PM 95.0 °F 19.0 °F 6% 29.65 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
8:51 PM 90.0 °F 23.0 °F 9% 29.66 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:51 PM 89.1 °F 19.0 °F 8% 29.66 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
10:51 PM 84.9 °F 23.0 °F 10% 29.66 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:51 PM 84.0 °F 27.0 °F 13% 29.65 in 10.0 mi Calm Calm - N/A   Scattered Clouds