Weather History for St. Louis, MO

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Thursday, May 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 56 °F 66 °F  
Max Temperature 64 °F 76 °F 94 °F (1944)
Min Temperature 47 °F 57 °F 39 °F (1959)
Degree Days  
Heating Degree Days 9 3  
Month to date heating degree days 49 52  
Since 1 July heating degree days 4997 4508  
Cooling Degree Days 0 4  
Month to date cooling degree days 89 42  
Year to date cooling degree days 126 88  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 69    
Maximum Humidity 86    
Minimum Humidity 51    
Precipitation  
Precipitation 0.35 in 0.16 in 1.91 in (1990)
Month to date precipitation 1.71 2.20  
Year to date precipitation 14.79 13.85  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2012)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 28.8 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 15, 2014 Rise Set
Actual Time 5:49 AM CDT 8:06 PM CDT
Civil Twilight 5:19 AM CDT 8:36 PM CDT
Nautical Twilight 4:42 AM CDT 9:13 PM CDT
Astronomical Twilight 4:02 AM CDT 9:54 PM CDT
Moon 9:15 PM CDT (5/15) 6:36 AM CDT (5/15)
Length of Visible Light 15h 17m
Length of Day
14h 17m
Full, 99% of the Moon is Illuminated
May 15
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 12
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 48.0 °F 43.0 °F 83% 30.08 in 6.0 mi NW 8.1 mph - 0.06 in Rain Light Rain
1:51 AM 48.0 °F 44.1 °F 86% 30.06 in 10.0 mi NW 9.2 mph - 0.04 in Rain Light Rain
2:51 AM 48.2 °F 44.6 °F 87% 30.03 in 8.0 mi WNW 6.9 mph - N/A Rain Light Rain
3:11 AM 48.2 °F 44.6 °F 87% 30.04 in 7.0 mi WNW 6.9 mph - 0.01 in Rain Light Rain
3:51 AM 48.0 °F 45.0 °F 89% 30.04 in 7.0 mi WNW 6.9 mph - 0.01 in Rain Light Rain
4:51 AM 48.0 °F 45.0 °F 89% 30.04 in 9.0 mi West 4.6 mph - 0.00 in   Overcast
5:51 AM 48.0 °F 44.1 °F 86% 30.04 in 9.0 mi West 5.8 mph - N/A   Overcast
6:51 AM 48.9 °F 44.1 °F 83% 30.06 in 9.0 mi West 6.9 mph - N/A   Mostly Cloudy
7:51 AM 51.1 °F 44.1 °F 77% 30.07 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
8:51 AM 55.0 °F 43.0 °F 64% 30.07 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
9:51 AM 57.0 °F 44.1 °F 62% 30.08 in 10.0 mi WNW 10.4 mph 20.7 mph N/A   Scattered Clouds
10:51 AM 59.0 °F 44.1 °F 58% 30.08 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
11:51 AM 61.0 °F 43.0 °F 52% 30.06 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
12:51 PM 60.8 °F 42.8 °F 52% 30.05 in 10.0 mi NNW 5.8 mph - N/A Rain Light Rain
2:51 PM 61.0 °F 39.9 °F 46% 30.00 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
3:07 PM 60.8 °F 42.8 °F 52% 30.01 in 9.0 mi NNW 12.7 mph - N/A Thunderstorm Thunderstorm
3:17 PM 53.6 °F 42.8 °F 67% 30.02 in 4.0 mi West 21.9 mph 27.6 mph 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
3:20 PM 51.8 °F 44.6 °F 76% 30.02 in 3.0 mi West 15.0 mph 27.6 mph 0.04 in Rain , Thunderstorm Heavy Thunderstorms and Rain
3:29 PM 53.6 °F 44.6 °F 72% 30.02 in 5.0 mi NNE 5.8 mph 17.3 mph 0.09 in Rain , Thunderstorm Thunderstorms and Rain
3:51 PM 52.0 °F 45.0 °F 77% 30.05 in 7.0 mi West 10.4 mph - 0.11 in Rain , Thunderstorm Light Thunderstorms and Rain
3:58 PM 51.8 °F 44.6 °F 76% 30.04 in 7.0 mi WNW 9.2 mph - 0.02 in Rain Light Rain
4:51 PM 55.0 °F 46.9 °F 74% 30.04 in 10.0 mi West 6.9 mph - 0.07 in   Mostly Cloudy
5:51 PM 55.9 °F 46.0 °F 69% 30.03 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
6:51 PM 55.4 °F 42.8 °F 63% 30.04 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
7:51 PM 54.0 °F 44.1 °F 69% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 PM 53.1 °F 39.0 °F 59% 30.08 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
9:51 PM 52.0 °F 35.1 °F 53% 30.09 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
10:51 PM 50.0 °F 35.1 °F 57% 30.09 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
11:51 PM 48.9 °F 35.1 °F 59% 30.07 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy