Weather History for St. Louis, MO

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Sunday, May 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 81 °F 68 °F  
Max Temperature 91 °F 77 °F 94 °F (1996)
Min Temperature 71 °F 58 °F 40 °F (1894)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 87 60  
Since 1 July heating degree days 4472 4516  
Cooling Degree Days 16 5  
Month to date cooling degree days 92 59  
Year to date cooling degree days 126 105  
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 61    
Maximum Humidity 79    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.15 in 2.14 in (1915)
Month to date precipitation 2.96 2.80  
Year to date precipitation 19.97 14.45  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 27.9 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 13 mph (SSE)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 19, 2013 Rise Set
Actual Time 5:45 AM CDT 8:10 PM CDT
Civil Twilight 5:15 AM CDT 8:41 PM CDT
Nautical Twilight 4:38 AM CDT 9:18 PM CDT
Astronomical Twilight 3:56 AM CDT 10:00 PM CDT
Moon 2:18 PM CDT (5/19) 2:05 AM CDT (5/19)
Length of Visible Light 15h 25m
Length of Day
14h 24m
Waxing Gibbous, 65% of the Moon is Illuminated
May 19
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
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 72.0 °F - 63.0 °F 73% 29.88 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
1:51 AM 73.0 °F - 64.0 °F 73% 29.87 in 10.0 mi SE 8.1 mph - N/A   Overcast
2:48 AM 73.4 °F - 64.4 °F 73% 29.89 in 10.0 mi SE 10.4 mph - N/A   Overcast
2:51 AM 73.4 °F - 64.4 °F 73% 29.89 in 10.0 mi SE 9.2 mph - N/A   Overcast
3:04 AM 71.6 °F - 64.4 °F 78% 29.89 in 10.0 mi ESE 9.2 mph - N/A   Overcast
3:51 AM 72.0 °F - 64.0 °F 76% 29.86 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
4:51 AM 72.0 °F - 64.0 °F 76% 29.86 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
5:51 AM 71.1 °F - 64.9 °F 81% 29.84 in 9.0 mi SE 8.1 mph 28.8 mph N/A   Mostly Cloudy
6:51 AM 72.0 °F - 64.9 °F 78% 29.83 in 9.0 mi SE 9.2 mph - N/A   Overcast
7:51 AM 73.9 °F - 66.0 °F 76% 29.84 in 9.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
8:51 AM 77.0 °F - 68.0 °F 74% 29.85 in 8.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
9:51 AM 78.1 °F - 69.1 °F 74% 29.88 in 8.0 mi SW 10.4 mph - N/A   Overcast
10:51 AM 82.9 °F 87.5 °F 71.1 °F 67% 29.86 in 8.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
11:51 AM 84.9 °F 90.7 °F 72.0 °F 65% 29.82 in 8.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
12:51 PM 87.1 °F 92.8 °F 71.1 °F 59% 29.80 in 7.0 mi SE 11.5 mph - N/A   Mostly Cloudy
1:51 PM 88.0 °F 92.9 °F 70.0 °F 55% 29.77 in 7.0 mi SE 13.8 mph 20.7 mph N/A   Mostly Cloudy
2:51 PM 90.0 °F 95.4 °F 70.0 °F 52% 29.74 in 8.0 mi SE 18.4 mph 24.2 mph N/A   Mostly Cloudy
3:51 PM 91.0 °F 95.2 °F 68.0 °F 47% 29.72 in 8.0 mi SSE 19.6 mph 28.8 mph N/A   Scattered Clouds
4:51 PM 90.0 °F 95.4 °F 70.0 °F 52% 29.71 in 8.0 mi SSE 23.0 mph 28.8 mph N/A   Scattered Clouds
5:51 PM 89.1 °F 93.7 °F 69.1 °F 52% 29.70 in 8.0 mi North - - N/A   Scattered Clouds
6:51 PM 87.1 °F 90.6 °F 68.0 °F 53% 29.68 in 9.0 mi SSE 19.6 mph 25.3 mph N/A   Scattered Clouds
7:51 PM 86.0 °F 86.1 °F 61.0 °F 43% 29.70 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
8:51 PM 84.0 °F 84.4 °F 61.0 °F 46% 29.72 in 10.0 mi South 18.4 mph 23.0 mph N/A   Scattered Clouds
9:51 PM 82.0 °F 83.1 °F 63.0 °F 52% 29.75 in 10.0 mi South 17.3 mph 23.0 mph N/A   Scattered Clouds
10:51 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.78 in 10.0 mi South 16.1 mph 24.2 mph N/A   Partly Cloudy
11:51 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.76 in 10.0 mi South 12.7 mph 19.6 mph N/A   Scattered Clouds