St. Louis, MO

2:28 AM CDT on October 17, 2017 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - December, 2013

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Friday, December 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 33 °F  
Max Temperature 71 °F 41 °F 71 °F (2013)
Min Temperature 37 °F 26 °F -10 °F (1901)
Degree Days  
Heating Degree Days 11 32  
Month to date heating degree days 605 580  
Since 1 July heating degree days 1475 1406  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1728 1646  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 73    
Maximum Humidity 85    
Minimum Humidity 61    
Precipitation  
Precipitation 0.03 in 0.09 in 1.36 in (1962)
Month to date precipitation 0.96 1.87  
Year to date precipitation 41.68 39.99  
Snow  
Snow 0.00 in 0.20 in 3.30 in (1960)
Month to date snowfall 5.6 2.5  
Since 1 July snowfall 5.6 3.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 10 mph (West)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 8 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

Dec. 20, 2013 Rise Set
Actual Time 7:15 AM CST 4:42 PM CST
Civil Twilight 6:45 AM CST 5:12 PM CST
Nautical Twilight 6:12 AM CST 5:46 PM CST
Astronomical Twilight 5:39 AM CST 6:18 PM CST
Moon 8:01 PM CST (12/20) 9:11 AM CST (12/20)
Length of Visible Light 10h 27m
Length of Day
9h 27m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 20
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 55.9 °F - 48.0 °F 75% 29.77 in 10.0 mi South 8.1 mph - N/A   Overcast
1:51 AM 57.0 °F - 48.9 °F 74% 29.76 in 10.0 mi South 8.1 mph - 0.00 in Rain Light Rain
2:51 AM 55.9 °F - 48.9 °F 77% 29.76 in 10.0 mi South 10.4 mph - 0.00 in   Mostly Cloudy
3:51 AM 57.0 °F - 50.0 °F 77% 29.75 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
4:51 AM 57.0 °F - 50.0 °F 77% 29.74 in 10.0 mi South 8.1 mph - 0.00 in   Mostly Cloudy
5:51 AM 59.0 °F - 52.0 °F 78% 29.74 in 10.0 mi SSW 10.4 mph - 0.00 in   Mostly Cloudy
6:51 AM 57.9 °F - 52.0 °F 81% 29.75 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
7:51 AM 59.0 °F - 52.0 °F 78% 29.75 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
8:51 AM 60.1 °F - 53.1 °F 78% 29.74 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
9:51 AM 62.1 °F - 54.0 °F 75% 29.76 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
10:51 AM 66.9 °F - 55.9 °F 68% 29.75 in 10.0 mi SSW 13.8 mph - N/A   Mostly Cloudy
11:51 AM 68.0 °F - 55.0 °F 63% 29.71 in 10.0 mi SSW 13.8 mph 23.0 mph N/A   Mostly Cloudy
12:51 PM 70.0 °F - 55.0 °F 59% 29.69 in 10.0 mi SSW 12.7 mph 25.3 mph N/A   Mostly Cloudy
1:29 PM 57.2 °F - 48.2 °F 72% 29.72 in 9.0 mi WNW 17.3 mph 31.1 mph 0.00 in Rain Light Rain
1:51 PM 51.1 °F - 43.0 °F 74% 29.75 in 7.0 mi WNW 17.3 mph 27.6 mph 0.00 in   Mostly Cloudy
2:51 PM 46.0 °F 40.6 °F 39.0 °F 76% 29.79 in 5.0 mi NW 11.5 mph - N/A   Haze
3:19 PM 44.6 °F 38.8 °F 39.2 °F 81% 29.79 in 5.0 mi WNW 11.5 mph - N/A   Haze
3:51 PM 44.1 °F 37.4 °F 37.9 °F 79% 29.81 in 5.0 mi NW 13.8 mph - N/A   Haze
4:14 PM 42.8 °F 35.4 °F 37.4 °F 81% 29.82 in 5.0 mi NW 15.0 mph 21.9 mph N/A   Haze
4:51 PM 43.0 °F 37.2 °F 36.0 °F 76% 29.83 in 8.0 mi WNW 10.4 mph - N/A   Overcast
5:51 PM 42.1 °F 36.6 °F 35.1 °F 76% 29.84 in 8.0 mi NW 9.2 mph - N/A   Overcast
6:11 PM 41.0 °F 33.9 °F 35.6 °F 81% 29.85 in 8.0 mi NW 12.7 mph - N/A   Overcast
6:51 PM 39.9 °F 33.9 °F 35.1 °F 83% 29.87 in 7.0 mi WNW 9.2 mph - 0.01 in Rain Light Rain
6:58 PM 39.2 °F 32.5 °F 35.6 °F 87% 29.87 in 7.0 mi WNW 10.4 mph - 0.00 in Rain Light Rain
7:33 PM 39.2 °F 32.5 °F 35.6 °F 87% 29.88 in 5.0 mi NW 10.4 mph - 0.00 in   Haze
7:51 PM 39.0 °F 32.3 °F 35.1 °F 86% 29.88 in 5.0 mi NW 10.4 mph - 0.00 in   Overcast
8:00 PM 39.2 °F 32.0 °F 35.6 °F 87% 29.88 in 5.0 mi NW 11.5 mph - N/A   Overcast
8:10 PM 39.2 °F 33.6 °F 35.6 °F 87% 29.87 in 5.0 mi NW 8.1 mph - N/A   Overcast
8:51 PM 37.9 °F 31.5 °F 34.0 °F 86% 29.87 in 5.0 mi NNW 9.2 mph - N/A   Overcast
9:44 PM 37.4 °F 32.8 °F 33.8 °F 87% 29.87 in 7.0 mi WNW 5.8 mph - 0.00 in   Overcast
9:51 PM 37.9 °F 32.1 °F 34.0 °F 86% 29.88 in 7.0 mi WNW 8.1 mph - 0.00 in   Overcast
9:58 PM 37.4 °F 32.1 °F 33.8 °F 87% 29.87 in 7.0 mi WNW 6.9 mph - 0.00 in Rain Light Rain
10:51 PM 37.0 °F 31.6 °F 32.0 °F 82% 29.86 in 7.0 mi NW 6.9 mph - 0.00 in Rain Light Rain
11:27 PM 37.4 °F 30.8 °F 32.0 °F 81% 29.86 in 4.0 mi NW 9.2 mph - 0.02 in Rain Light Rain
11:36 PM 37.4 °F 32.8 °F 32.0 °F 81% 29.86 in 7.0 mi NW 5.8 mph - 0.02 in Rain Light Rain
11:51 PM 37.0 °F 32.4 °F 32.0 °F 82% 29.86 in 6.0 mi NNW 5.8 mph - 0.02 in Rain Light Rain