Weather History for St. Louis, MO

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Thursday, July 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 80 °F  
Max Temperature 84 °F 89 °F 105 °F (2012)
Min Temperature 64 °F 71 °F 52 °F (1940)
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 9 15  
Month to date cooling degree days 27 60  
Year to date cooling degree days 575 568  
Since 1 June cooling degree days 364 394  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 62    
Maximum Humidity 81    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.13 in 3.03 in (1982)
Month to date precipitation 0.54 0.51  
Year to date precipitation 30.61 21.16  
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 30.04 in    
Wind  
Wind Speed 6 mph (SE)    
Max Wind Speed 31 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 04, 2013 Rise Set
Actual Time 5:41 AM CDT 8:29 PM CDT
Civil Twilight 5:10 AM CDT 9:01 PM CDT
Nautical Twilight 4:30 AM CDT 9:41 PM CDT
Astronomical Twilight 3:45 AM CDT 10:26 PM CDT
Moon 2:57 AM CDT (7/4) 5:35 PM CDT (7/4)
Length of Visible Light 15h 51m
Length of Day
14h 47m
Waning Crescent, 11% of the Moon is Illuminated
Jul 4
Waning Crescent
Jul 8
New
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last 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 72.0 °F - 59.0 °F 64% 30.05 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
1:51 AM 71.1 °F - 57.9 °F 63% 30.04 in 10.0 mi South 6.9 mph - N/A   Clear
2:51 AM 69.1 °F - 57.9 °F 68% 30.04 in 10.0 mi WSW 4.6 mph - N/A   Clear
3:51 AM 66.0 °F - 57.9 °F 75% 30.04 in 10.0 mi ESE 5.8 mph - N/A   Clear
4:51 AM 66.9 °F - 59.0 °F 76% 30.05 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 64.9 °F - 57.9 °F 78% 30.05 in 9.0 mi ESE 3.5 mph - N/A   Partly Cloudy
6:51 AM 66.9 °F - 60.1 °F 79% 30.06 in 9.0 mi Calm Calm - N/A   Clear
7:51 AM 73.9 °F - 57.9 °F 57% 30.07 in 10.0 mi Calm Calm - N/A   Clear
8:51 AM 77.0 °F - 57.9 °F 52% 30.07 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
9:51 AM 79.0 °F - 57.0 °F 47% 30.07 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
10:51 AM 81.0 °F 81.1 °F 57.9 °F 45% 30.08 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
11:51 AM 81.0 °F 81.6 °F 60.1 °F 49% 30.07 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
12:51 PM 82.9 °F 82.8 °F 59.0 °F 44% 30.06 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
1:51 PM 82.9 °F 82.8 °F 59.0 °F 44% 30.05 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
2:51 PM 82.0 °F 82.0 °F 57.9 °F 44% 30.04 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
3:51 PM 82.9 °F 82.8 °F 59.0 °F 44% 30.02 in 10.0 mi ESE 11.5 mph - N/A   Scattered Clouds
4:51 PM 82.9 °F 82.8 °F 59.0 °F 44% 30.01 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
5:51 PM 82.9 °F 82.6 °F 57.9 °F 42% 30.00 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
6:51 PM 82.0 °F 82.1 °F 59.0 °F 45% 30.00 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
7:51 PM 79.0 °F - 57.9 °F 48% 30.00 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
8:51 PM 75.9 °F - 57.9 °F 54% 30.00 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
9:51 PM 73.9 °F - 57.9 °F 57% 30.02 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
10:51 PM 73.0 °F - 59.0 °F 61% 30.02 in 8.0 mi ESE 5.8 mph - N/A   Partly Cloudy
11:51 PM 71.1 °F - 61.0 °F 70% 30.03 in 5.0 mi SE 5.8 mph - N/A   Haze