Weather History for St. Louis, MO

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Monday, August 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F 79 °F  
Max Temperature 88 °F 88 °F 105 °F (1962)
Min Temperature 67 °F 69 °F 55 °F (1953)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 1 5  
Since 1 July heating degree days 0 0  
Cooling Degree Days 13 14  
Month to date cooling degree days 191 274  
Year to date cooling degree days 1145 1249  
Since 1 June cooling degree days 934 1075  
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 65    
Maximum Humidity 87    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.09 in 2.03 in (1914)
Month to date precipitation 1.01 1.89  
Year to date precipitation 34.43 26.65  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 12 mph    
Max Gust Speed 14 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 19, 2013 Rise Set
Actual Time 6:19 AM CDT 7:50 PM CDT
Civil Twilight 5:51 AM CDT 8:18 PM CDT
Nautical Twilight 5:17 AM CDT 8:51 PM CDT
Astronomical Twilight 4:41 AM CDT 9:27 PM CDT
Moon 6:41 PM CDT 4:38 AM CDT
Length of Visible Light 14h 27m
Length of Day
13h 31m
Waxing Gibbous, 97% of the Moon is Illuminated
Aug 19
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
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 71.1 °F - 62.1 °F 73% 30.09 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 70.0 °F - 62.1 °F 76% 30.08 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 69.1 °F - 62.1 °F 78% 30.09 in 9.0 mi Calm Calm - N/A   Clear
3:51 AM 68.0 °F - 62.1 °F 81% 30.09 in 8.0 mi Calm Calm - N/A   Clear
4:51 AM 68.0 °F - 63.0 °F 84% 30.08 in 7.0 mi Calm Calm - N/A   Clear
5:51 AM 68.0 °F - 63.0 °F 84% 30.09 in 7.0 mi Calm Calm - N/A   Clear
6:51 AM 68.0 °F - 64.0 °F 87% 30.10 in 5.0 mi Calm Calm - N/A   Scattered Clouds
7:51 AM 71.1 °F - 66.0 °F 84% 30.11 in 6.0 mi Calm Calm - N/A   Haze
8:51 AM 75.9 °F - 64.0 °F 67% 30.12 in 6.0 mi Calm Calm - N/A   Haze
9:51 AM 79.0 °F - 63.0 °F 58% 30.12 in 8.0 mi East 3.5 mph - N/A   Clear
10:51 AM 81.0 °F 81.9 °F 62.1 °F 52% 30.11 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
11:51 AM 82.0 °F 83.0 °F 62.1 °F 51% 30.10 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
12:51 PM 84.0 °F 84.0 °F 60.1 °F 44% 30.09 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
1:51 PM 82.9 °F 82.8 °F 59.0 °F 44% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
2:51 PM 84.9 °F 85.0 °F 61.0 °F 44% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
4:51 PM 86.0 °F 85.7 °F 60.1 °F 41% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
5:51 PM 84.0 °F 83.8 °F 59.0 °F 43% 30.02 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
6:51 PM 82.9 °F 83.2 °F 60.1 °F 46% 30.01 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
7:51 PM 80.1 °F 81.1 °F 61.0 °F 52% 30.03 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
8:51 PM 77.0 °F - 62.1 °F 60% 30.03 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
9:51 PM 75.9 °F - 62.1 °F 62% 30.04 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
10:51 PM 73.9 °F - 62.1 °F 66% 30.05 in 10.0 mi ESE 6.9 mph - N/A   Partly Cloudy
11:51 PM 73.0 °F - 62.1 °F 68% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds