Weather History for St. Louis, MO

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Wednesday, April 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F 58 °F  
Max Temperature 85 °F 68 °F 91 °F (1937)
Min Temperature 50 °F 48 °F 22 °F (1875)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 171 186  
Since 1 July heating degree days 4241 4372  
Cooling Degree Days 3 1  
Month to date cooling degree days 24 17  
Year to date cooling degree days 24 24  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 72    
Maximum Humidity 96    
Minimum Humidity 48    
Precipitation  
Precipitation T in 0.13 in 1.87 in (1887)
Month to date precipitation 2.04 2.04  
Year to date precipitation 13.38 10.00  
Snow  
Snow 0.00 in 0.00 in 2.10 in (1983)
Month to date snowfall T 0.3  
Since 1 July snowfall 27.9 17.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 14 mph (ESE)    
Max Wind Speed 25 mph    
Max Gust Speed 35 mph    
Visibility 6 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 17, 2013 Rise Set
Actual Time 6:21 AM CDT 7:40 PM CDT
Civil Twilight 5:54 AM CDT 8:08 PM CDT
Nautical Twilight 5:21 AM CDT 8:41 PM CDT
Astronomical Twilight 4:46 AM CDT 9:16 PM CDT
Moon 11:37 AM CDT (4/17) 1:17 AM CDT (4/17)
Length of Visible Light 14h 13m
Length of Day
13h 18m
Waxing Crescent, 42% of the Moon is Illuminated
Apr 17
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

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 50.0 °F - 45.0 °F 83% 30.13 in 9.0 mi ENE 5.8 mph - 0.00 in   Overcast
1:51 AM 51.1 °F - 45.0 °F 80% 30.13 in 10.0 mi ENE 4.6 mph - N/A   Overcast
2:38 AM 51.8 °F - 46.4 °F 82% 30.11 in 9.0 mi ENE 5.8 mph - N/A   Overcast
2:51 AM 51.1 °F - 46.0 °F 83% 30.12 in 9.0 mi ENE 6.9 mph - N/A   Overcast
3:25 AM 51.8 °F - 46.4 °F 82% 30.11 in 10.0 mi NE 5.8 mph - N/A   Overcast
3:51 AM 51.1 °F - 46.0 °F 83% 30.11 in 10.0 mi ENE 6.9 mph - N/A   Overcast
4:32 AM 51.8 °F - 46.4 °F 82% 30.10 in 8.0 mi East 9.2 mph - N/A   Overcast
4:51 AM 51.1 °F - 46.9 °F 86% 30.10 in 6.0 mi East 8.1 mph - N/A   Overcast
5:04 AM 51.8 °F - 46.4 °F 82% 30.08 in 4.0 mi East 10.4 mph - 0.00 in   Light Drizzle
5:21 AM 50.0 °F - 46.4 °F 87% 30.08 in 3.0 mi East 9.2 mph - 0.00 in   Light Drizzle
5:51 AM 51.1 °F - 48.0 °F 89% 30.06 in 3.0 mi East 9.2 mph - 0.00 in   Light Drizzle
6:12 AM 51.8 °F - 48.2 °F 88% 30.06 in 3.0 mi ESE 10.4 mph - 0.00 in   Light Drizzle
6:48 AM 51.8 °F - 48.2 °F 88% 30.07 in 2.5 mi ESE 8.1 mph - 0.00 in   Light Drizzle
6:51 AM 51.1 °F - 48.0 °F 89% 30.07 in 2.5 mi East 8.1 mph - 0.00 in   Light Drizzle
7:22 AM 51.8 °F - 48.2 °F 88% 30.07 in 1.5 mi East 10.4 mph - 0.00 in   Light Drizzle
7:49 AM 51.8 °F - 48.2 °F 88% 30.08 in 0.5 mi East 6.9 mph - 0.00 in Fog Fog
7:51 AM 52.0 °F - 48.9 °F 89% 30.09 in 0.5 mi East 6.9 mph - 0.00 in Fog Fog
8:36 AM 51.8 °F - 50.0 °F 94% 30.08 in 0.2 mi East 9.2 mph - N/A Fog Fog
8:48 AM 51.8 °F - 50.0 °F 94% 30.07 in 0.2 mi ESE 9.2 mph - N/A Fog Fog
8:51 AM 52.0 °F - 50.0 °F 93% 30.07 in 0.2 mi East 8.1 mph - N/A Fog Fog
9:27 AM 53.6 °F - 51.8 °F 94% 30.05 in 0.8 mi SE 12.7 mph - N/A   Overcast
9:51 AM 55.0 °F - 53.1 °F 93% 30.05 in 1.0 mi SE 16.1 mph - N/A   Overcast
10:33 AM 57.2 °F - 53.6 °F 88% 30.02 in 2.0 mi SE 10.4 mph - N/A   Overcast
10:51 AM 60.1 °F - 55.0 °F 83% 30.01 in 2.5 mi SE 12.7 mph - N/A   Haze
11:11 AM 62.6 °F - 57.2 °F 82% 30.00 in 3.0 mi SE 12.7 mph - N/A   Haze
11:25 AM 64.4 °F - 57.2 °F 77% 29.99 in 5.0 mi SSE 12.7 mph 19.6 mph N/A   Haze
11:39 AM 66.2 °F - 59.0 °F 78% 29.99 in 5.0 mi South 12.7 mph - N/A   Haze
11:51 AM 68.0 °F - 60.1 °F 76% 29.98 in 5.0 mi South 11.5 mph - N/A   Haze
12:51 PM 73.0 °F - 63.0 °F 71% 29.95 in 8.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
1:51 PM 75.9 °F - 63.0 °F 64% 29.89 in 9.0 mi South 20.7 mph 26.5 mph N/A   Mostly Cloudy
2:51 PM 81.0 °F 83.0 °F 66.0 °F 60% 29.86 in 9.0 mi SSE 16.1 mph 23.0 mph 0.01 in   Mostly Cloudy
3:51 PM 84.0 °F 85.4 °F 64.0 °F 51% 29.81 in 10.0 mi SSE 20.7 mph 28.8 mph N/A   Mostly Cloudy
4:51 PM 84.9 °F 85.4 °F 62.1 °F 46% 29.79 in 10.0 mi SSE 23.0 mph 28.8 mph N/A   Mostly Cloudy
5:51 PM 82.9 °F 84.6 °F 64.9 °F 54% 29.76 in 10.0 mi SE 17.3 mph 28.8 mph N/A   Mostly Cloudy
6:51 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.73 in 10.0 mi SSE 13.8 mph - N/A   Mostly Cloudy
7:51 PM 81.0 °F 81.3 °F 59.0 °F 47% 29.71 in 10.0 mi SSE 15.0 mph 23.0 mph N/A   Overcast
8:51 PM 79.0 °F - 63.0 °F 58% 29.71 in 10.0 mi SSE 18.4 mph 23.0 mph N/A   Overcast
9:51 PM 78.1 °F - 63.0 °F 60% 29.71 in 10.0 mi South 16.1 mph 26.5 mph N/A   Overcast
10:51 PM 78.1 °F - 63.0 °F 60% 29.68 in 10.0 mi South 17.3 mph 26.5 mph N/A   Overcast
11:51 PM 77.0 °F - 63.0 °F 62% 29.65 in 10.0 mi South 21.9 mph 25.3 mph N/A   Overcast