St. Louis, MO

12:37 PM CDT on October 21, 2017 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - September, 2013

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Saturday, September 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 65 °F  
Max Temperature 86 °F 75 °F 97 °F (1953)
Min Temperature 66 °F 55 °F 32 °F (1942)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 3 31  
Since 1 July heating degree days 3 32  
Cooling Degree Days 11 3  
Month to date cooling degree days 275 197  
Year to date cooling degree days 1661 1596  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 62    
Maximum Humidity 79    
Minimum Humidity 44    
Precipitation  
Precipitation 0.01 in 0.11 in 3.73 in (1919)
Month to date precipitation 2.74 2.93  
Year to date precipitation 37.35 30.68  
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 29.98 in    
Wind  
Wind Speed 10 mph (South)    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 28, 2013 Rise Set
Actual Time 6:54 AM CDT 6:48 PM CDT
Civil Twilight 6:28 AM CDT 7:14 PM CDT
Nautical Twilight 5:57 AM CDT 7:45 PM CDT
Astronomical Twilight 5:26 AM CDT 8:16 PM CDT
Moon 12:45 AM CDT (9/28) 3:04 PM CDT (9/28)
Length of Visible Light 12h 46m
Length of Day
11h 53m
Waning Crescent, 36% of the Moon is Illuminated
Sep 28
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 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 71.1 °F - 52.0 °F 51% 30.00 in 10.0 mi SSE 11.5 mph - N/A   Clear
1:51 AM 70.0 °F - 52.0 °F 53% 30.00 in 10.0 mi SSE 8.1 mph - N/A   Clear
2:51 AM 69.1 °F - 52.0 °F 54% 29.99 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
3:51 AM 68.0 °F - 53.1 °F 59% 29.99 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
4:51 AM 68.0 °F - 55.0 °F 63% 29.99 in 10.0 mi SSE 11.5 mph - N/A   Scattered Clouds
5:51 AM 66.9 °F - 55.9 °F 68% 30.00 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
6:51 AM 68.0 °F - 57.0 °F 68% 30.02 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
7:51 AM 68.0 °F - 57.9 °F 70% 30.03 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
8:51 AM 71.1 °F - 59.0 °F 66% 30.03 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy
9:51 AM 75.9 °F - 60.1 °F 58% 30.02 in 10.0 mi South 12.7 mph 20.7 mph N/A   Mostly Cloudy
10:51 AM 79.0 °F - 60.1 °F 52% 30.01 in 10.0 mi South 15.0 mph 25.3 mph N/A   Scattered Clouds
11:51 AM 82.9 °F 83.3 °F 61.0 °F 47% 29.98 in 10.0 mi South 11.5 mph 23.0 mph N/A   Mostly Cloudy
12:51 PM 84.0 °F 84.0 °F 60.1 °F 44% 29.98 in 10.0 mi South 15.0 mph 25.3 mph N/A   Mostly Cloudy
1:51 PM 84.9 °F 84.8 °F 60.1 °F 43% 29.95 in 10.0 mi SW 16.1 mph 25.3 mph N/A   Mostly Cloudy
2:51 PM 84.0 °F 84.0 °F 60.1 °F 44% 29.94 in 10.0 mi South 13.8 mph 21.9 mph N/A   Mostly Cloudy
3:51 PM 82.0 °F 82.7 °F 61.0 °F 49% 29.93 in 10.0 mi South 9.2 mph - N/A   Overcast
4:51 PM 82.0 °F 82.7 °F 61.0 °F 49% 29.93 in 10.0 mi South 8.1 mph - N/A   Overcast
5:51 PM 81.0 °F 81.7 °F 61.0 °F 50% 29.93 in 10.0 mi South 8.1 mph - N/A   Overcast
6:51 PM 80.1 °F 81.1 °F 61.0 °F 52% 29.94 in 10.0 mi South 9.2 mph - 0.00 in Rain Light Rain
7:51 PM 79.0 °F - 62.1 °F 56% 29.93 in 10.0 mi South 9.2 mph - 0.00 in   Mostly Cloudy
8:51 PM 78.1 °F - 62.1 °F 58% 29.94 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
9:51 PM 78.1 °F - 62.1 °F 58% 29.94 in 10.0 mi SW 6.9 mph - N/A   Overcast
10:51 PM 73.9 °F - 66.9 °F 79% 29.96 in 10.0 mi WSW 8.1 mph - 0.00 in Rain Light Rain
11:51 PM 73.0 °F - 66.9 °F 81% 29.97 in 10.0 mi WSW 6.9 mph - 0.00 in Rain Light Rain