Weather History for St. Louis, MO

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Saturday, May 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F 63 °F  
Max Temperature 51 °F 73 °F 92 °F (1952)
Min Temperature 41 °F 54 °F 33 °F (1954)
Degree Days  
Heating Degree Days 19 4  
Month to date heating degree days 48 17  
Since 1 July heating degree days 4433 4473  
Cooling Degree Days 0 2  
Month to date cooling degree days 6 8  
Year to date cooling degree days 40 54  
Moisture  
Dew Point 40 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 66    
Precipitation  
Precipitation T in 0.15 in 2.03 in (1905)
Month to date precipitation 2.36 0.57  
Year to date precipitation 19.37 12.22  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2013)
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 29.94 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 04, 2013 Rise Set
Actual Time 6:00 AM CDT 7:56 PM CDT
Civil Twilight 5:31 AM CDT 8:25 PM CDT
Nautical Twilight 4:55 AM CDT 9:01 PM CDT
Astronomical Twilight 4:18 AM CDT 9:39 PM CDT
Moon 2:55 AM CDT (5/4) 2:57 PM CDT (5/4)
Length of Visible Light 14h 54m
Length of Day
13h 56m
Waning Crescent, 27% of the Moon is Illuminated
May 4
Waning Crescent
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 42.1 °F 37.7 °F 39.0 °F 89% 29.86 in 10.0 mi SW 6.9 mph - 0.00 in Rain Light Rain
2:51 AM 41.0 °F 38.0 °F 39.0 °F 93% 29.88 in 10.0 mi SSW 4.6 mph - 0.00 in Rain Light Rain
3:51 AM 41.0 °F 37.1 °F 37.9 °F 89% 29.88 in 10.0 mi SSW 5.8 mph - 0.00 in   Overcast
4:51 AM 41.0 °F 37.1 °F 37.9 °F 89% 29.88 in 10.0 mi SSW 5.8 mph - N/A   Overcast
5:51 AM 41.0 °F - 37.9 °F 89% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
5:58 AM 41.0 °F - 37.4 °F 87% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
6:42 AM 42.8 °F 41.1 °F 37.4 °F 81% 29.90 in 10.0 mi SSW 3.5 mph - N/A   Overcast
6:51 AM 42.1 °F - 37.9 °F 85% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
6:59 AM 42.8 °F - 37.4 °F 81% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
7:23 AM 42.8 °F - 37.4 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
7:51 AM 42.1 °F - 37.9 °F 85% 29.93 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:17 AM 42.8 °F - 37.4 °F 81% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 44.1 °F 42.5 °F 37.9 °F 79% 29.94 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
9:20 AM 44.6 °F 43.1 °F 37.4 °F 76% 29.92 in 10.0 mi SE 3.5 mph - N/A   Overcast
9:51 AM 45.0 °F 43.5 °F 37.0 °F 74% 29.94 in 10.0 mi South 3.5 mph - N/A   Overcast
10:51 AM 46.0 °F 43.9 °F 37.0 °F 71% 29.95 in 10.0 mi SE 4.6 mph - N/A   Overcast
11:51 AM 46.0 °F 44.8 °F 37.9 °F 73% 29.95 in 10.0 mi East 3.5 mph - N/A   Overcast
12:24 PM 46.4 °F 44.3 °F 39.2 °F 76% 29.94 in 4.0 mi ESE 4.6 mph - 0.00 in   Light Drizzle
12:51 PM 46.0 °F 43.9 °F 41.0 °F 83% 29.95 in 4.0 mi East 4.6 mph - 0.00 in   Light Drizzle
12:57 PM 46.4 °F 43.5 °F 41.0 °F 81% 29.94 in 5.0 mi SE 5.8 mph - 0.00 in   Light Drizzle
1:51 PM 46.9 °F - 42.1 °F 83% 29.96 in 8.0 mi ENE 6.9 mph - 0.00 in   Light Drizzle
2:17 PM 46.4 °F 42.9 °F 41.0 °F 81% 29.95 in 5.0 mi ESE 6.9 mph - 0.00 in   Light Drizzle
2:30 PM 46.4 °F 42.4 °F 42.8 °F 87% 29.94 in 7.0 mi East 8.1 mph - 0.00 in   Light Drizzle
2:51 PM 48.0 °F - 41.0 °F 77% 29.96 in 9.0 mi East 6.9 mph - 0.00 in   Overcast
3:51 PM 48.9 °F - 41.0 °F 74% 29.96 in 10.0 mi East 4.6 mph - N/A   Overcast
4:51 PM 50.0 °F - 42.1 °F 74% 29.97 in 10.0 mi East 6.9 mph - N/A   Overcast
4:58 PM 50.0 °F - 41.0 °F 71% 29.95 in 10.0 mi ENE 6.9 mph - N/A   Overcast
5:51 PM 50.0 °F - 39.9 °F 68% 29.96 in 10.0 mi East 3.5 mph - N/A   Overcast
6:51 PM 50.0 °F - 42.1 °F 74% 29.98 in 10.0 mi ENE 9.2 mph - N/A   Overcast
7:51 PM 48.9 °F - 42.1 °F 77% 29.99 in 10.0 mi NE 5.8 mph - N/A   Overcast
8:51 PM 48.0 °F - 42.1 °F 80% 30.02 in 10.0 mi ENE 5.8 mph - N/A   Overcast
9:51 PM 48.0 °F - 43.0 °F 83% 30.03 in 10.0 mi NE 5.8 mph - N/A   Overcast
10:51 PM 48.0 °F - 43.0 °F 83% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:51 PM 46.9 °F - 43.0 °F 86% 30.01 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy