Weather History for St. Louis, MO

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Tuesday, January 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 26 °F 32 °F  
Max Temperature 40 °F 40 °F 75 °F (1986)
Min Temperature 12 °F 24 °F -8 °F (1970)
Degree Days  
Heating Degree Days 39 33  
Month to date heating degree days 752 701  
Since 1 July heating degree days 2592 2466  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 69    
Maximum Humidity 84    
Minimum Humidity 53    
Precipitation  
Precipitation 0.09 in 0.07 in 2.10 in (1906)
Month to date precipitation 1.67 1.66  
Year to date precipitation 1.67 1.66  
Snow  
Snow 0.50 in 0.20 in 2.50 in (1959)
Month to date snowfall 15.8 3.8  
Since 1 July snowfall 21.4 8.9  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 12 mph (NNW)    
Max Wind Speed 35 mph    
Max Gust Speed 47 mph    
Visibility 5 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 21, 2014 Rise Set
Actual Time 7:15 AM CST 5:10 PM CST
Civil Twilight 6:46 AM CST 5:39 PM CST
Nautical Twilight 6:14 AM CST 6:11 PM CST
Astronomical Twilight 5:42 AM CST 6:43 PM CST
Moon 10:39 PM CST (1/21) 9:48 AM CST (1/21)
Length of Visible Light 10h 52m
Length of Day
9h 55m
Waning Gibbous, 74% of the Moon is Illuminated
Jan 21
Waning Gibbous
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:44 AM 37.4 °F 27.5 °F 30.2 °F 75% 29.91 in 4.0 mi WNW 18.4 mph 33.4 mph 0.00 in Rain , Snow Light Snow
12:49 AM 35.6 °F 25.9 °F 30.2 °F 81% 29.92 in 2.0 mi WNW 16.1 mph 33.4 mph 0.01 in Rain , Snow Light Snow
12:51 AM 36.0 °F 26.7 °F 30.0 °F 79% 29.94 in 1.8 mi WNW 15.0 mph 33.4 mph 0.01 in Rain , Snow Light Snow
12:57 AM 35.6 °F 25.2 °F 30.2 °F 81% 29.92 in 1.0 mi WNW 18.4 mph 25.3 mph 0.01 in Snow Light Snow
1:11 AM 33.8 °F 23.5 °F 30.2 °F 87% 29.93 in 1.0 mi WNW 16.1 mph 24.2 mph 0.04 in Snow Light Snow
1:25 AM 33.8 °F 24.3 °F 30.2 °F 87% 29.93 in 1.8 mi WNW 13.8 mph 23.0 mph 0.05 in Snow Light Snow
1:39 AM 33.8 °F 21.6 °F 30.2 °F 87% 29.94 in 1.0 mi NW 23.0 mph 31.1 mph 0.06 in Snow Light Snow
1:44 AM 33.8 °F 19.9 °F 28.4 °F 81% 29.94 in 0.8 mi North 31.1 mph 40.3 mph 0.06 in Snow Light Snow
1:51 AM 30.9 °F 15.9 °F 27.0 °F 85% 29.98 in 1.0 mi North 31.1 mph 36.8 mph 0.06 in Snow Light Snow
2:03 AM 26.6 °F 10.0 °F 23.0 °F 86% 29.99 in 1.2 mi North 31.1 mph 43.7 mph 0.00 in Snow Light Snow
2:08 AM 26.6 °F 11.4 °F 21.2 °F 80% 30.00 in 1.0 mi North 25.3 mph 38.0 mph 0.00 in Snow Light Snow
2:31 AM 23.0 °F 8.3 °F 17.6 °F 80% 30.05 in 1.2 mi North 19.6 mph 36.8 mph 0.00 in Snow Light Snow
2:39 AM 23.0 °F 6.6 °F 17.6 °F 80% 30.06 in 0.8 mi NNW 25.3 mph 43.7 mph 0.00 in Snow Light Snow
2:49 AM 21.2 °F 5.6 °F 17.6 °F 86% 30.07 in 1.0 mi North 20.7 mph 35.7 mph 0.00 in Snow Light Snow
2:50 AM 21.9 °F 6.2 °F 18.0 °F 85% 30.10 in 1.0 mi North 21.9 mph 35.7 mph 0.00 in Snow Light Snow
2:51 AM 21.9 °F 5.5 °F 18.0 °F 85% 30.10 in 1.0 mi North 24.2 mph 35.7 mph 0.00 in Snow Light Snow
3:25 AM 19.4 °F 4.1 °F 15.8 °F 86% 30.12 in 1.0 mi NNW 18.4 mph 33.4 mph 0.01 in Snow Light Snow
3:51 AM 19.9 °F 3.5 °F 14.0 °F 78% 30.17 in 1.8 mi NNW 21.9 mph 31.1 mph 0.01 in Snow Light Snow
3:59 AM 19.4 °F 3.6 °F 14.0 °F 80% 30.15 in 2.0 mi NNW 19.6 mph 29.9 mph 0.00 in Snow Light Snow
4:17 AM 19.4 °F 2.1 °F 14.0 °F 80% 30.16 in 1.5 mi NNW 24.2 mph 34.5 mph 0.00 in Snow Light Snow
4:51 AM 18.0 °F 0.6 °F 10.9 °F 74% 30.23 in 2.0 mi NNW 23.0 mph 33.4 mph 0.00 in Snow Light Snow
5:20 AM 17.6 °F 2.2 °F 10.4 °F 73% 30.21 in 3.0 mi NNW 17.3 mph 31.1 mph 0.00 in Snow Light Snow
5:40 AM 17.6 °F 1.7 °F 10.4 °F 73% 30.23 in 5.0 mi NNW 18.4 mph 27.6 mph 0.00 in Snow Light Snow
5:51 AM 17.1 °F 1.0 °F 10.0 °F 74% 30.27 in 7.0 mi NNW 18.4 mph - 0.00 in Snow Light Snow
6:21 AM 17.6 °F 3.7 °F 10.4 °F 73% 30.26 in 3.0 mi NNW 13.8 mph - 0.00 in Snow Light Snow
6:33 AM 17.6 °F 3.2 °F 10.4 °F 73% 30.27 in 1.5 mi NNW 15.0 mph - 0.00 in Snow Light Snow
6:41 AM 17.6 °F 1.7 °F 10.4 °F 73% 30.28 in 1.2 mi NNW 18.4 mph 23.0 mph 0.00 in Snow Light Snow
6:51 AM 16.0 °F -1.3 °F 10.0 °F 77% 30.31 in 1.2 mi NNW 20.7 mph 25.3 mph 0.01 in Snow Light Snow
6:56 AM 15.8 °F -0.6 °F 10.4 °F 79% 30.28 in 3.0 mi NNW 18.4 mph 27.6 mph 0.00 in Snow Light Snow
7:05 AM 15.8 °F 0.3 °F 8.6 °F 73% 30.29 in 5.0 mi North 16.1 mph 25.3 mph 0.00 in Snow Light Snow
7:19 AM 15.8 °F -0.6 °F 6.8 °F 68% 30.30 in 8.0 mi NNW 18.4 mph 27.6 mph 0.00 in Snow Light Snow
7:51 AM 12.9 °F -5.3 °F 3.0 °F 65% 30.37 in 8.0 mi NNW 20.7 mph 31.1 mph 0.00 in Snow Light Snow
9:51 AM 12.9 °F -2.2 °F 3.0 °F 65% 30.41 in 10.0 mi NNW 13.8 mph 24.2 mph N/A   Scattered Clouds
10:27 AM 14.0 °F -2.0 °F 3.2 °F 62% 30.38 in 10.0 mi NW 16.1 mph - N/A   Mostly Cloudy
10:45 AM 12.2 °F -3.1 °F -0.4 °F 57% 30.39 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
10:51 AM 14.0 °F -2.0 °F -0.0 °F 54% 30.42 in 10.0 mi NNW 16.1 mph - N/A   Scattered Clouds
11:51 AM 15.1 °F 0.5 °F 1.9 °F 56% 30.39 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
12:51 PM 15.1 °F 0.5 °F 3.0 °F 59% 30.38 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
1:51 PM 16.0 °F 3.6 °F 3.0 °F 57% 30.37 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
2:51 PM 15.1 °F 2.5 °F 1.0 °F 54% 30.36 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
3:51 PM 15.1 °F 3.3 °F 1.0 °F 54% 30.36 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
4:51 PM 14.0 °F 3.9 °F -0.0 °F 54% 30.36 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
5:51 PM 14.0 °F 5.1 °F -0.0 °F 54% 30.35 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
6:51 PM 12.9 °F 6.9 °F -0.0 °F 56% 30.35 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
7:51 PM 14.0 °F - 1.9 °F 59% 30.33 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 PM 14.0 °F - 1.0 °F 56% 30.31 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:51 PM 15.1 °F - 1.9 °F 56% 30.32 in 10.0 mi Calm Calm - N/A   Overcast
10:51 PM 15.1 °F - 1.9 °F 56% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
11:51 PM 16.0 °F 8.8 °F 1.9 °F 54% 30.30 in 10.0 mi South 4.6 mph - N/A   Overcast