Weather History for St. Louis, MO

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Friday, September 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 56 °F 72 °F  
Max Temperature 60 °F 82 °F 98 °F (1956)
Min Temperature 52 °F 62 °F 44 °F (1940)
Degree Days  
Heating Degree Days 9 1  
Month to date heating degree days 12 1  
Since 1 July heating degree days 12 2  
Cooling Degree Days 0 8  
Month to date cooling degree days 117 114  
Year to date cooling degree days 1622 1513  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 81    
Maximum Humidity 89    
Minimum Humidity 72    
Precipitation  
Precipitation 0.01 in 0.11 in 2.10 in (1949)
Month to date precipitation 4.09 1.24  
Year to date precipitation 33.06 28.99  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
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 30.26 in    
Wind  
Wind Speed 10 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 12, 2014 Rise Set
Actual Time 6:40 AM CDT 7:14 PM CDT
Civil Twilight 6:13 AM CDT 7:41 PM CDT
Nautical Twilight 5:41 AM CDT 8:12 PM CDT
Astronomical Twilight 5:09 AM CDT 8:44 PM CDT
Moon 9:38 PM CDT (9/12) 10:41 AM CDT (9/12)
Length of Visible Light 13h 27m
Length of Day
12h 34m
Waning Gibbous, 83% of the Moon is Illuminated
Sep 12
Waning Gibbous
Sep 15
Last Quarter
Sep 24
New
Oct 1
First Quarter
Oct 8
Full

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 55.9 °F 48.0 °F 75% 30.25 in 10.0 mi NNE 8.1 mph - N/A   Overcast
1:51 AM 55.0 °F 48.0 °F 77% 30.25 in 10.0 mi NNE 9.2 mph - N/A   Overcast
2:51 AM 55.0 °F 48.0 °F 77% 30.23 in 10.0 mi NE 10.4 mph - N/A   Overcast
3:51 AM 55.0 °F 48.0 °F 77% 30.23 in 10.0 mi NNE 6.9 mph - N/A   Overcast
4:51 AM 55.0 °F 48.0 °F 77% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Overcast
5:40 AM 55.4 °F 48.2 °F 77% 30.24 in 10.0 mi NE 8.1 mph - N/A   Overcast
5:51 AM 55.0 °F 48.0 °F 77% 30.23 in 10.0 mi NE 10.4 mph - 0.00 in   Light Drizzle
6:43 AM 55.4 °F 48.2 °F 77% 30.25 in 10.0 mi NNE 10.4 mph - 0.00 in   Overcast
6:51 AM 55.4 °F 48.2 °F 77% 30.25 in 10.0 mi NE 10.4 mph - N/A   Overcast
7:51 AM 55.0 °F 48.0 °F 77% 30.26 in 10.0 mi NE 9.2 mph - N/A   Overcast
8:51 AM 55.0 °F 48.0 °F 77% 30.27 in 10.0 mi NE 8.1 mph - N/A   Overcast
9:51 AM 55.4 °F 48.2 °F 77% 30.28 in 10.0 mi NE 9.2 mph - N/A   Overcast
10:51 AM 55.4 °F 48.2 °F 77% 30.27 in 10.0 mi NE 8.1 mph - N/A   Overcast
11:51 AM 57.0 °F 48.9 °F 74% 30.27 in 10.0 mi North 9.2 mph - N/A   Overcast
12:51 PM 57.0 °F 48.0 °F 72% 30.27 in 10.0 mi NNE 5.8 mph - N/A   Overcast
1:51 PM 57.0 °F 48.9 °F 74% 30.26 in 10.0 mi NNE 11.5 mph - N/A   Overcast
2:51 PM 57.2 °F 48.2 °F 72% 30.23 in 10.0 mi North 10.4 mph - N/A   Overcast
3:30 PM 59.0 °F 48.2 °F 67% 30.23 in 10.0 mi North 5.8 mph - N/A   Overcast
3:45 PM 57.2 °F 50.0 °F 77% 30.22 in 10.0 mi North 10.4 mph - N/A   Overcast
3:51 PM 57.2 °F 50.0 °F 77% 30.22 in 10.0 mi North 10.4 mph - N/A   Overcast
4:51 PM 57.9 °F 50.0 °F 75% 30.22 in 10.0 mi NW 9.2 mph - N/A   Overcast
6:51 PM 55.9 °F 50.0 °F 80% 30.25 in 8.0 mi NNW 12.7 mph - N/A   Overcast
7:07 PM 55.4 °F 51.8 °F 88% 30.25 in 3.0 mi North 15.0 mph 20.7 mph 0.00 in Rain Light Rain
7:18 PM 55.4 °F 51.8 °F 88% 30.25 in 2.5 mi North 10.4 mph 18.4 mph 0.00 in Rain Light Rain
7:51 PM 54.0 °F 51.1 °F 90% 30.26 in 4.0 mi North 12.7 mph - 0.01 in Rain Light Rain
7:58 PM 53.6 °F 51.8 °F 94% 30.27 in 5.0 mi North 13.8 mph - 0.00 in Rain Light Rain
8:51 PM 53.1 °F 50.0 °F 89% 30.29 in 6.0 mi North 15.0 mph - 0.00 in Rain Light Rain
9:49 PM 53.6 °F 48.2 °F 82% 30.31 in 10.0 mi North 12.7 mph - N/A   Overcast
9:51 PM 53.1 °F 48.0 °F 83% 30.31 in 10.0 mi North 12.7 mph - 0.00 in   Overcast
10:19 PM 53.6 °F 46.4 °F 77% 30.32 in 10.0 mi North 12.7 mph 18.4 mph N/A   Overcast
10:51 PM 53.1 °F 48.0 °F 83% 30.33 in 8.0 mi North 8.1 mph - 0.00 in Rain Light Rain
11:47 PM 51.8 °F 46.4 °F 82% 30.33 in 10.0 mi North 10.4 mph 20.7 mph 0.00 in   Overcast
11:51 PM 52.0 °F 46.9 °F 83% 30.33 in 10.0 mi North 12.7 mph - 0.00 in   Overcast