St. Louis, MO

7:39 PM CDT on March 29, 2017 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - September, 2013

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Wednesday, September 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 85 °F 73 °F  
Max Temperature 98 °F 82 °F 98 °F (2013)
Min Temperature 72 °F 63 °F 42 °F (1940)
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 20 8  
Month to date cooling degree days 171 106  
Year to date cooling degree days 1557 1505  
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 52    
Maximum Humidity 73    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.10 in 1.28 in (1944)
Month to date precipitation 2.22 1.13  
Year to date precipitation 36.83 28.88  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2015)
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 30.05 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 11, 2013 Rise Set
Actual Time 6:39 AM CDT 7:15 PM CDT
Civil Twilight 6:12 AM CDT 7:42 PM CDT
Nautical Twilight 5:41 AM CDT 8:13 PM CDT
Astronomical Twilight 5:08 AM CDT 8:46 PM CDT
Moon 1:03 PM CDT (9/11) 11:15 PM CDT (9/11)
Length of Visible Light 13h 29m
Length of Day
12h 36m
Waxing Crescent, 39% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

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 81.0 °F 81.9 °F 62.1 °F 52% 30.05 in 10.0 mi SW 5.8 mph - N/A   Clear
1:51 AM 79.0 °F - 62.1 °F 56% 30.05 in 10.0 mi SW 3.5 mph - N/A   Clear
2:51 AM 79.0 °F - 62.1 °F 56% 30.05 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 77.0 °F - 64.0 °F 64% 30.05 in 10.0 mi SW 4.6 mph - N/A   Clear
4:51 AM 77.0 °F - 64.9 °F 66% 30.06 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:51 AM 73.9 °F - 64.9 °F 73% 30.07 in 10.0 mi Calm Calm - N/A   Clear
6:51 AM 73.0 °F - 64.0 °F 73% 30.09 in 8.0 mi Calm Calm - N/A   Partly Cloudy
7:51 AM 78.1 °F - 66.0 °F 66% 30.11 in 8.0 mi Calm Calm - N/A   Partly Cloudy
8:51 AM 82.0 °F 83.8 °F 64.9 °F 56% 30.11 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
9:51 AM 84.9 °F 86.6 °F 64.9 °F 51% 30.10 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
10:51 AM 90.0 °F 91.7 °F 64.9 °F 43% 30.10 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
11:51 AM 93.0 °F 95.0 °F 64.9 °F 39% 30.09 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
12:51 PM 93.9 °F 95.6 °F 64.0 °F 37% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:51 PM 96.1 °F 96.4 °F 61.0 °F 31% 30.06 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
2:51 PM 97.0 °F 98.3 °F 63.0 °F 32% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
3:51 PM 93.9 °F 95.6 °F 64.0 °F 37% 30.02 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
4:51 PM 95.0 °F 97.0 °F 64.0 °F 36% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:51 PM 93.9 °F 94.8 °F 62.1 °F 35% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:51 PM 91.9 °F 92.9 °F 63.0 °F 38% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:51 PM 89.1 °F 91.3 °F 66.0 °F 46% 30.01 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
8:51 PM 89.1 °F 91.0 °F 64.9 °F 45% 30.02 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
9:51 PM 87.1 °F 89.2 °F 66.0 °F 49% 30.01 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
10:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 30.01 in 10.0 mi SW 12.7 mph - N/A   Scattered Clouds
11:51 PM 84.0 °F 86.3 °F 66.0 °F 55% 30.00 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy