Saint Louis, MO

1:59 PM CST on February 25, 2017 (GMT -0600)
Lambert-Saint Louis International

Weather History for KSTL - April, 2012

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Thursday, April 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 56 °F  
Max Temperature 64 °F 66 °F 89 °F (1971)
Min Temperature 36 °F 46 °F 24 °F (1940)
Degree Days  
Heating Degree Days 15 10  
Month to date heating degree days 97 141  
Since 1 July heating degree days 3190 4327  
Cooling Degree Days 0 1  
Month to date cooling degree days 31 12  
Year to date cooling degree days 111 19  
Moisture  
Dew Point 32 °F    
Average Humidity 52    
Maximum Humidity 76    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.11 in 2.00 in (1909)
Month to date precipitation 1.75 1.43  
Year to date precipitation 9.43 9.39  
Snow  
Snow 0.00 in 0.10 in 0.10 in (1957)
Month to date snowfall 0.0 0.3  
Since 1 July snowfall 6.3 17.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 6 mph (SE)    
Max Wind Speed 15 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Apr. 12, 2012 Rise Set
Actual Time 6:28 AM CDT 7:35 PM CDT
Civil Twilight 6:01 AM CDT 8:03 PM CDT
Nautical Twilight 5:28 AM CDT 8:36 PM CDT
Astronomical Twilight 4:54 AM CDT 9:10 PM CDT
Moon 1:21 AM CDT (4/12) 11:25 AM CDT (4/12)
Length of Visible Light 14h 01m
Length of Day
13h 07m
Waning Gibbous, 58% of the Moon is Illuminated
Apr 12
Waning Gibbous
Apr 13
Last Quarter
Apr 21
New
Apr 29
First Quarter
May 5
Full

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 43.0 °F - 32.0 °F 65% 30.25 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 41.0 °F 39.0 °F 30.9 °F 67% 30.26 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:51 AM 42.1 °F - 34.0 °F 73% 30.25 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 42.8 °F - 33.8 °F 70% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 39.0 °F - 30.9 °F 73% 30.27 in 10.0 mi Calm Calm - N/A   Clear
5:51 AM 37.9 °F - 30.9 °F 76% 30.27 in 10.0 mi Calm Calm - N/A   Clear
6:51 AM 39.2 °F - 30.2 °F 70% 30.28 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:51 AM 45.0 °F - 32.0 °F 60% 30.31 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 50.0 °F - 33.1 °F 52% 30.30 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:51 AM 55.0 °F - 28.9 °F 37% 30.29 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
10:51 AM 55.9 °F - 27.0 °F 33% 30.29 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
11:51 AM 57.0 °F - 28.9 °F 34% 30.25 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
12:51 PM 60.1 °F - 30.0 °F 32% 30.23 in 10.0 mi South 10.4 mph 19.6 mph N/A   Scattered Clouds
1:51 PM 60.8 °F - 28.4 °F 29% 30.19 in 10.0 mi SSE 9.2 mph 21.9 mph N/A   Mostly Cloudy
2:51 PM 63.0 °F - 28.9 °F 28% 30.17 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
3:51 PM 63.0 °F - 30.0 °F 29% 30.14 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
4:51 PM 63.0 °F - 30.0 °F 29% 30.13 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
5:51 PM 63.0 °F - 30.9 °F 30% 30.12 in 10.0 mi ESE 11.5 mph - N/A   Mostly Cloudy
6:51 PM 61.0 °F - 32.0 °F 34% 30.12 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
7:51 PM 59.0 °F - 34.0 °F 39% 30.11 in 10.0 mi East 6.9 mph - N/A   Overcast
8:51 PM 57.9 °F - 34.0 °F 41% 30.12 in 10.0 mi East 8.1 mph - N/A   Overcast
9:51 PM 57.0 °F - 34.0 °F 42% 30.12 in 10.0 mi East 9.2 mph - N/A   Overcast
10:51 PM 57.0 °F - 36.0 °F 45% 30.13 in 10.0 mi ESE 8.1 mph - N/A   Overcast
11:51 PM 55.9 °F - 36.0 °F 47% 30.13 in 10.0 mi ESE 8.1 mph - N/A   Overcast