Weather History for St. Louis, MO

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Thursday, April 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 59 °F 58 °F  
Max Temperature 77 °F 68 °F 93 °F (2002)
Min Temperature 41 °F 48 °F 29 °F (1953)
Degree Days  
Heating Degree Days 6 8  
Month to date heating degree days 177 194  
Since 1 July heating degree days 4247 4380  
Cooling Degree Days 0 1  
Month to date cooling degree days 24 18  
Year to date cooling degree days 24 25  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 60    
Precipitation  
Precipitation 2.48 in 0.12 in 2.48 in (2013)
Month to date precipitation 4.52 2.16  
Year to date precipitation 15.86 10.12  
Snow  
Snow 0.00 in 0.00 in 2.00 in (1901)
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 29.65 in    
Wind  
Wind Speed 16 mph (SSW)    
Max Wind Speed 31 mph    
Max Gust Speed 39 mph    
Visibility 6 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 18, 2013 Rise Set
Actual Time 6:20 AM CDT 7:41 PM CDT
Civil Twilight 5:52 AM CDT 8:09 PM CDT
Nautical Twilight 5:19 AM CDT 8:42 PM CDT
Astronomical Twilight 4:44 AM CDT 9:17 PM CDT
Moon 12:33 PM CDT (4/18) 1:55 AM CDT (4/18)
Length of Visible Light 14h 16m
Length of Day
13h 20m
First Quarter, 52% of the Moon is Illuminated
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First 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 75.9 °F - 63.0 °F 64% 29.64 in 10.0 mi South 16.1 mph 24.2 mph N/A   Overcast
1:51 AM 75.9 °F - 64.0 °F 67% 29.62 in 10.0 mi South 18.4 mph 28.8 mph N/A   Mostly Cloudy
2:51 AM 75.9 °F - 64.0 °F 67% 29.59 in 10.0 mi South 16.1 mph 21.9 mph N/A   Overcast
3:51 AM 75.9 °F - 64.0 °F 67% 29.56 in 10.0 mi South 12.7 mph 21.9 mph N/A   Mostly Cloudy
4:51 AM 77.0 °F - 63.0 °F 62% 29.54 in 10.0 mi SSW 23.0 mph 31.1 mph N/A   Overcast
5:43 AM 77.0 °F - 62.6 °F 61% 29.57 in 9.0 mi South 23.0 mph 31.1 mph N/A Thunderstorm Thunderstorm
5:51 AM 75.0 °F - 64.0 °F 69% 29.54 in 7.0 mi South 23.0 mph 32.2 mph 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
6:24 AM 71.6 °F - 66.2 °F 83% 29.60 in 3.0 mi South 17.3 mph 31.1 mph 0.10 in Rain , Thunderstorm Thunderstorms and Rain
6:30 AM 71.6 °F - 66.2 °F 83% 29.65 in 5.0 mi West 18.4 mph 29.9 mph 0.18 in Rain , Thunderstorm Light Thunderstorms and Rain
6:33 AM 69.8 °F - 64.4 °F 83% 29.65 in 5.0 mi WNW 26.5 mph 39.1 mph 0.18 in Rain , Thunderstorm Light Thunderstorms and Rain
6:35 AM 66.2 °F - 62.6 °F 88% 29.66 in 2.0 mi West 25.3 mph 39.1 mph 0.19 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:39 AM 64.4 °F - 62.6 °F 94% 29.67 in 1.0 mi WSW 24.2 mph 39.1 mph 0.25 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:51 AM 64.9 °F - 61.0 °F 87% 29.62 in 1.8 mi West 11.5 mph 25.3 mph 0.50 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:14 AM 64.4 °F - 60.8 °F 88% 29.67 in 4.0 mi West 8.1 mph - 0.37 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:34 AM 64.4 °F - 60.8 °F 88% 29.68 in 4.0 mi WSW 8.1 mph - 0.40 in Rain , Thunderstorm Light Thunderstorms and Rain
7:51 AM 64.0 °F - 61.0 °F 90% 29.62 in 5.0 mi WSW 5.8 mph - 0.41 in Rain , Thunderstorm Light Thunderstorms and Rain
7:57 AM 64.4 °F - 60.8 °F 88% 29.65 in 7.0 mi WSW 5.8 mph - 0.01 in Rain Light Rain
8:51 AM 64.0 °F - 61.0 °F 90% 29.62 in 7.0 mi SE 6.9 mph - 0.08 in Rain Light Rain
9:04 AM 64.4 °F - 60.8 °F 88% 29.67 in 3.0 mi SSE 9.2 mph - 0.03 in Rain Rain
9:28 AM 64.4 °F - 60.8 °F 88% 29.66 in 2.5 mi SE 5.8 mph - 0.12 in Rain Rain
9:51 AM 64.0 °F - 62.1 °F 93% 29.63 in 3.0 mi SE 5.8 mph - 0.24 in Rain Light Rain
10:22 AM 64.4 °F - 62.6 °F 94% 29.66 in 2.5 mi SE 12.7 mph - 0.10 in Rain Rain
10:32 AM 64.4 °F - 60.8 °F 88% 29.65 in 1.5 mi SSE 9.2 mph - 0.16 in Rain Rain
10:39 AM 64.4 °F - 62.6 °F 94% 29.65 in 2.5 mi SE 8.1 mph - 0.22 in Rain Rain
10:51 AM 64.4 °F - 60.8 °F 88% 29.65 in 2.5 mi SE 11.5 mph - N/A Rain Rain
11:04 AM 64.4 °F - 60.8 °F 88% 29.65 in 3.0 mi SE 13.8 mph - N/A Rain , Thunderstorm Thunderstorms and Rain
11:25 AM 64.4 °F - 60.8 °F 88% 29.67 in 1.0 mi SSE 15.0 mph - 0.14 in Rain , Thunderstorm Thunderstorms and Rain
11:51 AM 63.0 °F - 61.0 °F 93% 29.62 in 3.0 mi SE 10.4 mph - 0.36 in Rain Light Rain
11:57 AM 62.6 °F - 60.8 °F 94% 29.64 in 3.0 mi SE 11.5 mph - 0.03 in Rain Rain
12:05 PM 62.6 °F - 60.8 °F 94% 29.64 in 3.0 mi SE 11.5 mph - 0.07 in Rain , Thunderstorm Thunderstorms and Rain
12:23 PM 62.6 °F - 60.8 °F 94% 29.63 in 4.0 mi SE 11.5 mph - 0.15 in Rain Light Rain
12:41 PM 64.4 °F - 60.8 °F 88% 29.61 in 4.0 mi SE 13.8 mph - 0.21 in Rain , Thunderstorm Thunderstorms and Rain
12:51 PM 64.0 °F - 61.0 °F 90% 29.58 in 5.0 mi SE 15.0 mph - 0.24 in Rain , Thunderstorm Light Thunderstorms and Rain
1:09 PM 64.4 °F - 60.8 °F 88% 29.61 in 7.0 mi SSE 16.1 mph - 0.04 in Rain Light Rain
1:51 PM 64.9 °F - 62.1 °F 90% 29.56 in 7.0 mi South 11.5 mph - 0.07 in Rain Light Rain
2:22 PM 64.4 °F - 62.6 °F 94% 29.60 in 4.0 mi South 10.4 mph 17.3 mph 0.05 in Rain Light Rain
2:46 PM 66.2 °F - 62.6 °F 88% 29.58 in 6.0 mi SSW 17.3 mph 23.0 mph 0.08 in Rain Light Rain
2:51 PM 66.0 °F - 61.0 °F 84% 29.58 in 6.0 mi WSW 20.7 mph 26.5 mph 0.08 in Rain Light Rain
3:00 PM 60.8 °F - 57.2 °F 88% 29.63 in 5.0 mi WSW 28.8 mph 38.0 mph 0.01 in Rain Light Rain
3:04 PM 60.8 °F - 55.4 °F 82% 29.64 in 4.0 mi WSW 25.3 mph 38.0 mph 0.02 in Rain Light Rain
3:47 PM 53.6 °F - 50.0 °F 88% 29.63 in 6.0 mi West 13.8 mph 25.3 mph 0.14 in Rain Light Rain
3:51 PM 53.1 °F - 50.0 °F 89% 29.61 in 8.0 mi West 16.1 mph 25.3 mph 0.14 in Rain Light Rain
4:02 PM 53.6 °F - 48.2 °F 82% 29.65 in 8.0 mi West 21.9 mph 27.6 mph 0.01 in Rain Light Rain
4:51 PM 51.1 °F - 46.0 °F 83% 29.66 in 6.0 mi West 24.2 mph 29.9 mph 0.06 in Rain Light Rain
5:21 PM 50.0 °F - 44.6 °F 82% 29.70 in 7.0 mi West 21.9 mph 28.8 mph 0.01 in   Overcast
5:48 PM 48.2 °F - 42.8 °F 82% 29.72 in 10.0 mi West 21.9 mph 26.5 mph 0.01 in   Overcast
5:51 PM 48.9 °F - 42.1 °F 77% 29.70 in 10.0 mi West 23.0 mph 28.8 mph 0.01 in   Overcast
6:51 PM 48.0 °F - 39.9 °F 74% 29.75 in 10.0 mi West 20.7 mph 27.6 mph 0.00 in   Overcast
7:51 PM 46.9 °F - 37.0 °F 68% 29.73 in 10.0 mi West 24.2 mph 28.8 mph N/A   Overcast
8:51 PM 46.0 °F 38.5 °F 35.1 °F 66% 29.75 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Overcast
9:38 PM 44.6 °F 37.4 °F 33.8 °F 66% 29.78 in 10.0 mi WNW 16.1 mph 27.6 mph N/A   Mostly Cloudy
9:51 PM 44.1 °F 36.8 °F 33.1 °F 65% 29.78 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Mostly Cloudy
10:51 PM 43.0 °F 34.8 °F 33.1 °F 68% 29.76 in 10.0 mi WNW 18.4 mph 32.2 mph N/A   Mostly Cloudy
11:51 PM 42.1 °F 33.3 °F 30.9 °F 65% 29.77 in 10.0 mi West 19.6 mph 29.9 mph N/A   Overcast