Weather History for San Antonio, TX

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Saturday, May 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 84 °F 78 °F  
Max Temperature 96 °F 88 °F 97 °F (1981)
Min Temperature 72 °F 68 °F 52 °F (1945)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 15 0  
Since 1 July heating degree days 1206 1494  
Cooling Degree Days 19 12  
Month to date cooling degree days 143 188  
Year to date cooling degree days 404 447  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.13 in 3.05 in (1965)
Month to date precipitation 0.92 2.17  
Year to date precipitation 7.57 10.13  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall T  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 14 mph (SE)    
Max Wind Speed 26 mph    
Max Gust Speed 37 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 18, 2013 Rise Set
Actual Time 6:39 AM CDT 8:21 PM CDT
Civil Twilight 6:13 AM CDT 8:47 PM CDT
Nautical Twilight 5:41 AM CDT 9:19 PM CDT
Astronomical Twilight 5:08 AM CDT 9:52 PM CDT
Moon 1:56 PM CDT (5/18) 2:00 AM CDT (5/18)
Length of Visible Light 14h 34m
Length of Day
13h 42m
First Quarter, 55% of the Moon is Illuminated
May 18
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 75.9 °F - 68.0 °F 76% 29.86 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
1:51 AM 75.0 °F - 69.1 °F 82% 29.85 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
2:51 AM 73.9 °F - 71.1 °F 91% 29.84 in 8.0 mi SE 8.1 mph - N/A   Mostly Cloudy
3:51 AM 73.0 °F - 71.1 °F 93% 29.84 in 6.0 mi SE 9.2 mph - N/A   Mostly Cloudy
4:51 AM 73.0 °F - 71.1 °F 93% 29.84 in 5.0 mi SE 9.2 mph - N/A   Mostly Cloudy
5:51 AM 72.0 °F - 70.0 °F 93% 29.84 in 5.0 mi SE 6.9 mph - N/A   Overcast
6:51 AM 73.0 °F - 71.1 °F 93% 29.86 in 4.0 mi SE 8.1 mph - N/A   Overcast
7:51 AM 73.9 °F - 71.1 °F 91% 29.87 in 5.0 mi ESE 12.7 mph - N/A   Overcast
8:32 AM 75.2 °F - 71.6 °F 89% 29.93 in 6.0 mi SE 12.7 mph - N/A   Mostly Cloudy
8:51 AM 75.9 °F - 70.0 °F 82% 29.87 in 8.0 mi SE 13.8 mph - N/A   Mostly Cloudy
9:38 AM 78.8 °F - 71.6 °F 78% 29.93 in 7.0 mi SE 11.5 mph - N/A   Mostly Cloudy
9:51 AM 80.1 °F 83.6 °F 71.1 °F 74% 29.88 in 7.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
10:51 AM 84.0 °F 89.0 °F 71.1 °F 65% 29.88 in 6.0 mi SSE 11.5 mph - N/A   Haze
11:51 AM 87.1 °F 91.3 °F 69.1 °F 55% 29.87 in 5.0 mi SE 16.1 mph 19.6 mph N/A   Haze
12:51 PM 93.0 °F 97.4 °F 68.0 °F 44% 29.84 in 6.0 mi SSE 18.4 mph 25.3 mph N/A   Haze
1:51 PM 93.9 °F 97.5 °F 66.9 °F 41% 29.81 in 6.0 mi SE 20.7 mph 25.3 mph N/A   Haze
2:51 PM 93.9 °F 97.5 °F 66.9 °F 41% 29.80 in 6.0 mi SSE 23.0 mph 26.5 mph N/A   Haze
3:51 PM 93.9 °F 98.6 °F 68.0 °F 43% 29.78 in 7.0 mi SSE 19.6 mph 25.3 mph N/A   Mostly Cloudy
4:51 PM 93.9 °F 97.5 °F 66.9 °F 41% 29.77 in 9.0 mi SSE 23.0 mph 27.6 mph N/A   Overcast
5:51 PM 90.0 °F 91.7 °F 64.9 °F 43% 29.77 in 10.0 mi SSE 17.3 mph 24.2 mph N/A   Overcast
6:51 PM 88.0 °F 89.6 °F 64.9 °F 46% 29.77 in 10.0 mi SE 15.0 mph 25.3 mph N/A   Overcast
7:51 PM 86.0 °F 88.8 °F 66.9 °F 53% 29.78 in 10.0 mi SE 16.1 mph 24.2 mph N/A   Mostly Cloudy
8:51 PM 82.9 °F 85.0 °F 66.0 °F 56% 29.78 in 10.0 mi SE 15.0 mph - N/A   Mostly Cloudy
9:51 PM 81.0 °F 82.7 °F 64.9 °F 58% 29.79 in 10.0 mi SE 13.8 mph 20.7 mph N/A   Scattered Clouds
10:51 PM 78.1 °F - 64.9 °F 64% 29.81 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
11:51 PM 75.9 °F - 64.9 °F 69% 29.82 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy