Weather History for St. Louis, MO

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Monday, September 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 76 °F  
Max Temperature 84 °F 85 °F 101 °F (1953)
Min Temperature 69 °F 66 °F 50 °F (1949)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 1  
Cooling Degree Days 12 11  
Month to date cooling degree days 29 22  
Year to date cooling degree days 1415 1421  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 61    
Maximum Humidity 78    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.11 in 1.56 in (1993)
Month to date precipitation 1.81 0.21  
Year to date precipitation 36.42 27.96  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 02, 2013 Rise Set
Actual Time 6:31 AM CDT 7:29 PM CDT
Civil Twilight 6:04 AM CDT 7:56 PM CDT
Nautical Twilight 5:32 AM CDT 8:29 PM CDT
Astronomical Twilight 4:58 AM CDT 9:02 PM CDT
Moon 3:49 AM CDT (9/2) 5:42 PM CDT (9/2)
Length of Visible Light 13h 52m
Length of Day
12h 58m
Waning Crescent, 8% of the Moon is Illuminated
Sep 2
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
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 78.1 °F - 66.9 °F 68% 29.83 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:51 AM 75.0 °F - 63.0 °F 66% 29.86 in 10.0 mi NNW 6.9 mph - N/A   Partly Cloudy
2:51 AM 73.0 °F - 62.1 °F 68% 29.85 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
3:51 AM 73.0 °F - 61.0 °F 66% 29.85 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
4:51 AM 70.0 °F - 62.1 °F 76% 29.86 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
5:51 AM 71.1 °F - 60.1 °F 68% 29.88 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
6:51 AM 69.1 °F - 61.0 °F 75% 29.90 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
7:51 AM 71.1 °F - 61.0 °F 70% 29.91 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
8:51 AM 73.0 °F - 62.1 °F 68% 29.93 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
9:51 AM 75.9 °F - 62.1 °F 62% 29.94 in 10.0 mi NW 10.4 mph - N/A   Clear
10:51 AM 79.0 °F - 62.1 °F 56% 29.94 in 10.0 mi NNW 8.1 mph - N/A   Partly Cloudy
11:51 AM 82.0 °F 82.7 °F 61.0 °F 49% 29.94 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
12:51 PM 82.0 °F 82.4 °F 60.1 °F 47% 29.94 in 10.0 mi North 9.2 mph 19.6 mph N/A   Partly Cloudy
1:51 PM 82.9 °F 83.3 °F 61.0 °F 47% 29.93 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
2:51 PM 84.0 °F 84.4 °F 61.0 °F 46% 29.91 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
3:51 PM 82.9 °F 83.7 °F 62.1 °F 49% 29.91 in 10.0 mi North 6.9 mph 16.1 mph N/A   Partly Cloudy
4:51 PM 82.9 °F 83.2 °F 60.1 °F 46% 29.90 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
5:51 PM 82.0 °F 82.4 °F 60.1 °F 47% 29.90 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
6:51 PM 80.1 °F 80.7 °F 59.0 °F 48% 29.90 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
7:51 PM 75.9 °F - 61.0 °F 60% 29.92 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
8:51 PM 75.0 °F - 61.0 °F 62% 29.94 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
9:51 PM 73.0 °F - 60.1 °F 64% 29.95 in 10.0 mi NNW 4.6 mph - N/A   Clear
10:51 PM 73.9 °F - 59.0 °F 59% 29.95 in 10.0 mi NNE 5.8 mph - N/A   Clear
11:51 PM 72.0 °F - 57.0 °F 59% 29.94 in 10.0 mi NE 8.1 mph - N/A   Clear