Weather History for McAllen, TX

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Tuesday, December 20, 2011

  Actual Average Record
Temperature  
Mean Temperature 64 °F 61 °F  
Max Temperature 71 °F 71 °F 89 °F (2007)
Min Temperature 57 °F 51 °F 27 °F (1933)
Degree Days  
Heating Degree Days 1 6  
Month to date heating degree days 92 103  
Since 1 July heating degree days 124 163  
Cooling Degree Days 0 2  
Month to date cooling degree days 63 60  
Year to date cooling degree days 5237 4429  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 65    
Maximum Humidity 97    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.04 in 0.36 in (1983)
Month to date precipitation 2.18 0.74  
Year to date precipitation 10.31 21.75  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Dec. 20, 2011 Rise Set
Actual Time 7:15 AM CST 5:45 PM CST
Civil Twilight 6:50 AM CST 6:10 PM CST
Nautical Twilight 6:21 AM CST 6:39 PM CST
Astronomical Twilight 5:53 AM CST 7:08 PM CST
Moon 2:51 AM CST (12/20) 2:12 PM CST (12/20)
Length of Visible Light 11h 20m
Length of Day
10h 30m
Waning Crescent, 21% of the Moon is Illuminated
Dec 20
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:30 AM 69.8 °F 64.4 °F 83% 29.85 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:53 AM 68.0 °F 64.9 °F 90% 29.85 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
1:53 AM 66.0 °F 63.0 °F 90% 29.85 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 64.0 °F 62.1 °F 93% 29.84 in 7.0 mi SE 4.6 mph - N/A   Clear
3:53 AM 64.0 °F 62.1 °F 93% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 62.1 °F 59.0 °F 90% 29.84 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
5:53 AM 60.8 °F 57.2 °F 88% 29.85 in 10.0 mi West 3.5 mph - N/A   Clear
6:53 AM 60.1 °F 57.9 °F 93% 29.87 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
7:07 AM 60.8 °F 57.2 °F 88% 29.88 in 6.0 mi West 5.8 mph - N/A   Mostly Cloudy
7:15 AM 60.8 °F 57.2 °F 88% 29.88 in 0.5 mi WNW 6.9 mph - N/A Fog Fog
7:53 AM 61.0 °F 59.0 °F 93% 29.90 in 0.5 mi West 4.6 mph - N/A Fog Fog
8:08 AM 60.8 °F 60.8 °F 100% 29.91 in 1.0 mi West 6.9 mph - N/A   Mist
8:19 AM 60.8 °F 60.8 °F 100% 29.92 in 0.5 mi WNW 6.9 mph - N/A Fog Fog
8:53 AM 62.1 °F 61.0 °F 96% 29.92 in 8.0 mi West 3.5 mph - N/A   Overcast
9:22 AM 62.6 °F 60.8 °F 94% 29.94 in 10.0 mi West 5.8 mph - N/A   Overcast
9:49 AM 64.4 °F 60.8 °F 88% 29.94 in 10.0 mi WNW 6.9 mph - N/A   Overcast
9:53 AM 64.9 °F 61.0 °F 87% 29.94 in 10.0 mi WNW 9.2 mph - N/A   Overcast
10:53 AM 64.9 °F 59.0 °F 81% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Overcast
11:53 AM 66.0 °F 55.9 °F 70% 29.94 in 10.0 mi NNW 16.1 mph 24.2 mph N/A   Overcast
12:01 PM 66.2 °F 53.6 °F 64% 29.94 in 10.0 mi NW 13.8 mph - N/A   Overcast
12:53 PM 70.0 °F 48.0 °F 46% 29.93 in 10.0 mi NNW 13.8 mph - N/A   Overcast
1:53 PM 69.1 °F 41.0 °F 36% 29.92 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Overcast
2:53 PM 70.0 °F 39.9 °F 33% 29.91 in 10.0 mi North 13.8 mph 21.9 mph N/A   Overcast
3:53 PM 70.0 °F 41.0 °F 35% 29.91 in 10.0 mi North 12.7 mph - N/A   Overcast
4:53 PM 70.0 °F 39.0 °F 32% 29.92 in 10.0 mi North 11.5 mph - N/A   Overcast
5:53 PM 68.0 °F 42.1 °F 39% 29.94 in 10.0 mi NNW 9.2 mph - N/A   Overcast
6:53 PM 66.9 °F 42.1 °F 40% 29.98 in 10.0 mi North 8.1 mph - N/A   Overcast
7:53 PM 66.0 °F 42.1 °F 42% 30.00 in 10.0 mi North 8.1 mph - N/A   Overcast
8:53 PM 64.0 °F 41.0 °F 43% 30.02 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
9:53 PM 61.0 °F 43.0 °F 52% 30.03 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 57.0 °F 44.1 °F 62% 30.03 in 10.0 mi North 5.8 mph - N/A   Clear
11:53 PM 59.0 °F 43.0 °F 55% 30.02 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy