Weather History for St. Louis, MO

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Tuesday, January 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 24 °F 32 °F  
Max Temperature 31 °F 40 °F 70 °F (1965)
Min Temperature 17 °F 24 °F -10 °F (1974)
Degree Days  
Heating Degree Days 41 33  
Month to date heating degree days 41 33  
Since 1 July heating degree days 1640 1798  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 17 °F    
Average Humidity 71    
Maximum Humidity 85    
Minimum Humidity 57    
Precipitation  
Precipitation T in 0.09 in 3.49 in (1890)
Month to date precipitation T 0.09  
Year to date precipitation T 0.09  
Snow  
Snow 0.10 in 0.20 in 5.10 in (1999)
Month to date snowfall 0.1 0.2  
Since 1 July snowfall 2.2 5.3  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 8 mph (NNW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 7 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 01, 2013 Rise Set
Actual Time 7:19 AM CST 4:50 PM CST
Civil Twilight 6:50 AM CST 5:20 PM CST
Nautical Twilight 6:16 AM CST 5:53 PM CST
Astronomical Twilight 5:44 AM CST 6:26 PM CST
Moon 9:18 PM CST (1/1) 9:34 AM CST (1/1)
Length of Visible Light 10h 30m
Length of Day
9h 31m
Waning Gibbous, 83% of the Moon is Illuminated
Jan 1
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 30.2 °F 19.8 °F 26.6 °F 86% 30.12 in 2.0 mi North 13.8 mph - 0.00 in Snow Light Snow
12:14 AM 30.2 °F 19.8 °F 26.6 °F 86% 30.12 in 3.0 mi North 13.8 mph - 0.00 in Snow Light Snow
12:36 AM 28.4 °F 17.5 °F 24.8 °F 86% 30.12 in 4.0 mi North 13.8 mph - 0.00 in Snow Light Snow
12:51 AM 28.0 °F 18.6 °F 24.1 °F 85% 30.16 in 4.0 mi North 10.4 mph - 0.00 in Snow Light Snow
1:02 AM 28.4 °F 19.7 °F 23.0 °F 80% 30.12 in 4.0 mi North 9.2 mph - 0.00 in Snow Light Snow
1:44 AM 26.6 °F 16.2 °F 21.2 °F 80% 30.14 in 5.0 mi North 11.5 mph - 0.00 in Snow Light Snow
1:51 AM 27.0 °F 17.3 °F 21.0 °F 78% 30.18 in 5.0 mi North 10.4 mph - 0.00 in Snow Light Snow
2:21 AM 26.6 °F 18.2 °F 21.2 °F 80% 30.14 in 7.0 mi North 8.1 mph - 0.00 in Snow Light Snow
2:51 AM 26.1 °F 15.6 °F 19.9 °F 78% 30.19 in 8.0 mi North 11.5 mph - 0.00 in Snow Light Snow
3:17 AM 24.8 °F 14.6 °F 19.4 °F 80% 30.16 in 8.0 mi North 10.4 mph - 0.00 in Snow Light Snow
3:51 AM 25.0 °F 14.2 °F 18.0 °F 75% 30.19 in 9.0 mi North 11.5 mph - 0.00 in   Overcast
4:51 AM 24.1 °F 14.4 °F 18.0 °F 77% 30.21 in 8.0 mi North 9.2 mph - N/A   Overcast
4:59 AM 24.8 °F 14.0 °F 17.6 °F 74% 30.17 in 8.0 mi North 11.5 mph - N/A   Overcast
5:51 AM 23.0 °F 11.7 °F 17.1 °F 78% 30.19 in 8.0 mi North 11.5 mph - N/A   Overcast
6:03 AM 23.0 °F 12.4 °F 17.6 °F 80% 30.15 in 7.0 mi North 10.4 mph - N/A   Overcast
6:51 AM 21.9 °F 11.0 °F 16.0 °F 78% 30.21 in 8.0 mi North 10.4 mph - N/A   Overcast
7:47 AM 21.2 °F 13.6 °F 15.8 °F 80% 30.22 in 7.0 mi NNW 5.8 mph - N/A   Overcast
7:51 AM 21.9 °F 12.5 °F 15.1 °F 75% 30.27 in 7.0 mi NNW 8.1 mph - N/A   Overcast
8:17 AM 21.2 °F 11.7 °F 15.8 °F 80% 30.23 in 7.0 mi North 8.1 mph - N/A   Overcast
8:51 AM 21.9 °F 11.7 °F 15.1 °F 75% 30.28 in 7.0 mi NNW 9.2 mph - N/A   Overcast
9:51 AM 21.9 °F 9.8 °F 15.1 °F 75% 30.25 in 8.0 mi North 12.7 mph - N/A   Mostly Cloudy
10:51 AM 23.0 °F 10.6 °F 16.0 °F 74% 30.28 in 8.0 mi North 13.8 mph - N/A   Mostly Cloudy
11:51 AM 24.1 °F 13.7 °F 16.0 °F 71% 30.26 in 8.0 mi North 10.4 mph - N/A   Mostly Cloudy
12:51 PM 25.0 °F 15.5 °F 17.1 °F 72% 30.25 in 8.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
1:51 PM 25.0 °F 20.7 °F 17.1 °F 72% 30.25 in 8.0 mi NW 3.5 mph - N/A   Mostly Cloudy
2:51 PM 26.1 °F 19.4 °F 16.0 °F 66% 30.26 in 8.0 mi NW 5.8 mph - N/A   Mostly Cloudy
3:51 PM 26.1 °F 20.5 °F 14.0 °F 60% 30.27 in 9.0 mi North 4.6 mph - N/A   Mostly Cloudy
4:51 PM 24.1 °F 16.0 °F 12.9 °F 62% 30.28 in 9.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
5:51 PM 21.9 °F 14.5 °F 14.0 °F 72% 30.29 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
6:51 PM 21.0 °F 12.4 °F 12.9 °F 71% 30.30 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
7:51 PM 19.9 °F 12.1 °F 12.0 °F 71% 30.30 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
8:51 PM 19.0 °F 13.9 °F 10.9 °F 71% 30.30 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
9:51 PM 19.0 °F - 10.9 °F 71% 30.31 in 9.0 mi Calm Calm - N/A   Scattered Clouds
10:51 PM 18.0 °F 11.1 °F 10.9 °F 74% 30.33 in 8.0 mi West 4.6 mph - N/A   Scattered Clouds
11:51 PM 18.0 °F 12.7 °F 10.0 °F 71% 30.31 in 8.0 mi West 3.5 mph - N/A   Mostly Cloudy