Weather History for St. Louis, MO

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Sunday, April 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 19 °C 12 °C  
Max Temperature 26 °C 18 °C 31 °C (1948)
Min Temperature 11 °C 7 °C -5 °C (2007)
Degree Days  
Heating Degree Days 0 11  
Month to date heating degree days 97 88  
Since 1 July heating degree days 4167 4274  
Cooling Degree Days 1 1  
Month to date cooling degree days 1 7  
Year to date cooling degree days 1 14  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 9 °C    
Average Humidity 58    
Maximum Humidity 84    
Minimum Humidity 31    
Precipitation  
Precipitation 0.51 mm 3.05 mm 7.26 mm (1929)
Month to date precipitation 0.02 0.84  
Year to date precipitation 11.36 8.80  
Snow  
Snow 0.00 cm 0.00 cm 3.81 cm (1982)
Month to date snowfall T 0.2  
Since 1 July snowfall 27.9 17.5  
Snow Depth 0.00 cm    
Sea Level Pressure  
Sea Level Pressure 1011 hPa    
Wind  
Wind Speed 14 km/h (SE)    
Max Wind Speed 42 km/h    
Max Gust Speed 52 km/h    
Visibility 16 kilometers    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 07, 2013 Rise Set
Actual Time 6:36 AM CDT 7:31 PM CDT
Civil Twilight 6:09 AM CDT 7:58 PM CDT
Nautical Twilight 5:37 AM CDT 8:30 PM CDT
Astronomical Twilight 5:04 AM CDT 9:03 PM CDT
Moon 4:52 AM CDT (4/7) 5:04 PM CDT (4/7)
Length of Visible Light 13h 48m
Length of Day
12h 54m
Waning Crescent, 8% of the Moon is Illuminated
Apr 7
Waning Crescent
Apr 10
New
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 18.3 °C 5.6 °C 43% 1009.0 hPa 16.1 km SW 22.2 km/h / 6.2 m/s - N/A   Overcast
1:51 AM 18.3 °C 6.1 °C 45% 1009.3 hPa 16.1 km SW 20.4 km/h / 5.7 m/s - N/A   Overcast
2:51 AM 16.7 °C 6.1 °C 50% 1009.4 hPa 16.1 km SW 13.0 km/h / 3.6 m/s - N/A   Mostly Cloudy
3:51 AM 16.7 °C 6.7 °C 52% 1009.5 hPa 16.1 km SW 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
4:51 AM 16.1 °C 6.7 °C 54% 1010.1 hPa 16.1 km WSW 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
5:51 AM 14.4 °C 6.7 °C 60% 1011.0 hPa 16.1 km West 7.4 km/h / 2.1 m/s - N/A   Mostly Cloudy
6:51 AM 13.3 °C 6.1 °C 62% 1011.5 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
7:51 AM 14.4 °C 8.3 °C 67% 1012.3 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
8:51 AM 18.3 °C 7.2 °C 48% 1012.6 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
9:51 AM 18.9 °C 7.2 °C 47% 1012.6 hPa 16.1 km East 5.6 km/h / 1.5 m/s - N/A   Mostly Cloudy
10:51 AM 21.1 °C 7.8 °C 42% 1012.8 hPa 16.1 km ENE 7.4 km/h / 2.1 m/s - N/A   Mostly Cloudy
11:51 AM 22.8 °C 7.2 °C 37% 1012.7 hPa 16.1 km East 7.4 km/h / 2.1 m/s - N/A   Scattered Clouds
12:51 PM 23.9 °C 7.2 °C 34% 1012.2 hPa 16.1 km SSE 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
1:51 PM 24.4 °C 6.1 °C 31% 1011.7 hPa 16.1 km ESE 14.8 km/h / 4.1 m/s - N/A   Mostly Cloudy
2:51 PM 24.4 °C 6.1 °C 31% 1011.2 hPa 16.1 km ESE 14.8 km/h / 4.1 m/s - N/A   Overcast
3:51 PM 25.0 °C 7.2 °C 32% 1010.4 hPa 16.1 km SE 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
4:51 PM 25.0 °C 7.8 °C 33% 1009.7 hPa 16.1 km East 20.4 km/h / 5.7 m/s - N/A   Mostly Cloudy
5:51 PM 23.9 °C 8.9 °C 38% 1009.7 hPa 16.1 km ESE 16.7 km/h / 4.6 m/s - N/A   Mostly Cloudy
6:51 PM 23.3 °C 11.1 °C 46% 1009.9 hPa 16.1 km SE 25.9 km/h / 7.2 m/s - N/A   Overcast
7:26 PM 21.0 °C 14.0 °C 64% 1010.4 hPa 12.9 km South 13.0 km/h / 3.6 m/s - 0.3 mm Rain , Thunderstorm Light Thunderstorms and Rain
7:51 PM 18.3 °C 13.9 °C 75% 1010.0 hPa 14.5 km SE 27.8 km/h / 7.7 m/s - 0.5 mm Rain , Thunderstorm Light Thunderstorms and Rain
8:17 PM 18.0 °C 14.0 °C 77% 1010.4 hPa 16.1 km ESE 27.8 km/h / 7.7 m/s - 0.0 mm   Overcast
8:51 PM 17.8 °C 14.4 °C 80% 1010.2 hPa 16.1 km ESE 25.9 km/h / 7.2 m/s - 0.0 mm   Mostly Cloudy
9:51 PM 17.0 °C 14.0 °C 82% 1010.7 hPa 16.1 km ESE 22.2 km/h / 6.2 m/s - N/A   Mostly Cloudy
10:51 PM 18.9 °C 13.9 °C 73% 1009.6 hPa 16.1 km SSE 20.4 km/h / 5.7 m/s - 0.0 mm Rain Light Rain
11:51 PM 18.9 °C 13.3 °C 70% 1008.5 hPa 16.1 km South 31.5 km/h / 8.7 m/s 42.6 km/h / 11.8 m/s 0.0 mm Rain Light Rain