St. Louis, MO

8:44 AM CDT on May 26, 2017 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - September, 2013

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Sunday, September 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F 71 °F  
Max Temperature 84 °F 81 °F 101 °F (1939)
Min Temperature 59 °F 61 °F 45 °F (1961)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 4  
Since 1 July heating degree days 0 5  
Cooling Degree Days 7 7  
Month to date cooling degree days 192 135  
Year to date cooling degree days 1578 1534  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 53    
Maximum Humidity 68    
Minimum Humidity 37    
Precipitation  
Precipitation 0.01 in 0.11 in 2.05 in (1914)
Month to date precipitation 2.23 1.55  
Year to date precipitation 36.84 29.30  
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 30.04 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 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. 15, 2013 Rise Set
Actual Time 6:43 AM CDT 7:09 PM CDT
Civil Twilight 6:16 AM CDT 7:35 PM CDT
Nautical Twilight 5:45 AM CDT 8:07 PM CDT
Astronomical Twilight 5:12 AM CDT 8:39 PM CDT
Moon 4:35 PM CDT (9/15) 2:23 AM CDT (9/15)
Length of Visible Light 13h 19m
Length of Day
12h 26m
Waxing Gibbous, 82% of the Moon is Illuminated
Sep 15
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
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 64.0 °F - 44.1 °F 48% 30.04 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
1:51 AM 63.0 °F - 44.1 °F 50% 30.03 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
2:51 AM 62.1 °F - 45.0 °F 53% 30.03 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
3:51 AM 62.1 °F - 45.0 °F 53% 30.01 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
4:51 AM 60.1 °F - 46.0 °F 60% 30.03 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
5:51 AM 61.0 °F - 46.0 °F 58% 30.03 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
6:51 AM 60.1 °F - 46.0 °F 60% 30.04 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
7:51 AM 62.1 °F - 46.9 °F 58% 30.06 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
8:51 AM 66.9 °F - 48.9 °F 52% 30.05 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
9:51 AM 71.1 °F - 48.0 °F 44% 30.06 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
10:51 AM 73.9 °F - 48.9 °F 41% 30.04 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:51 AM 78.1 °F - 50.0 °F 37% 30.04 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
12:51 PM 79.0 °F - 51.1 °F 38% 30.03 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
1:51 PM 79.0 °F - 53.1 °F 40% 30.02 in 10.0 mi South 6.9 mph - 0.00 in Rain Light Rain
2:51 PM 80.1 °F 79.9 °F 53.1 °F 39% 30.00 in 10.0 mi SW 9.2 mph - 0.00 in   Overcast
4:51 PM 82.0 °F 81.4 °F 55.0 °F 39% 29.98 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
5:51 PM 81.0 °F 81.0 °F 57.0 °F 44% 29.98 in 10.0 mi SSW 6.9 mph - N/A   Overcast
6:51 PM 79.0 °F - 57.9 °F 48% 30.00 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
7:51 PM 75.9 °F - 60.1 °F 58% 30.02 in 10.0 mi NW 8.1 mph - 0.00 in Rain Light Rain
8:51 PM 73.0 °F - 62.1 °F 68% 30.05 in 10.0 mi North 9.2 mph - 0.00 in   Mostly Cloudy
9:51 PM 73.0 °F - 63.0 °F 71% 30.06 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
10:51 PM 70.0 °F - 64.0 °F 81% 30.07 in 10.0 mi NNW 6.9 mph - 0.01 in Rain Light Rain
11:25 PM 69.8 °F - 64.4 °F 83% 30.11 in 10.0 mi North 6.9 mph - 0.00 in   Mostly Cloudy
11:34 PM 69.8 °F - 64.4 °F 83% 30.11 in 10.0 mi North 6.9 mph - 0.00 in   Mostly Cloudy
11:51 PM 69.1 °F - 64.0 °F 84% 30.09 in 10.0 mi North 6.9 mph - 0.00 in   Mostly Cloudy