St. Louis, MO

5:49 PM CDT on March 28, 2017 (GMT -0500)
Lambert-Saint Louis International

Weather History for KSTL - May, 2012

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Thursday, May 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 61 °F 71 °F  
Max Temperature 68 °F 81 °F 98 °F (1934)
Min Temperature 53 °F 62 °F 42 °F (1889)
Degree Days  
Heating Degree Days 4 1  
Month to date heating degree days 8 75  
Since 1 July heating degree days 3295 4530  
Cooling Degree Days 0 7  
Month to date cooling degree days 269 128  
Year to date cooling degree days 406 174  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 45    
Precipitation  
Precipitation 0.10 in 0.16 in 1.74 in (2013)
Month to date precipitation 1.70 4.72  
Year to date precipitation 16.68 16.37  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2015)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 6.3 17.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 10 mph (NNE)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 8 miles    
Events Rain    
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

May. 31, 2012 Rise Set
Actual Time 5:38 AM CDT 8:20 PM CDT
Civil Twilight 5:07 AM CDT 8:51 PM CDT
Nautical Twilight 4:28 AM CDT 9:30 PM CDT
Astronomical Twilight 3:44 AM CDT 10:14 PM CDT
Moon 4:11 PM CDT (5/31) 2:34 AM CDT (5/31)
Length of Visible Light 15h 44m
Length of Day
14h 41m
Waxing Gibbous, 80% of the Moon is Illuminated
May 31
Waxing Gibbous
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Jun 26
First 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 66.9 °F 46.9 °F 49% 29.86 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
1:51 AM 64.9 °F 46.9 °F 52% 29.84 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
2:51 AM 66.0 °F 46.9 °F 50% 29.83 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
3:51 AM 66.0 °F 46.0 °F 48% 29.81 in 10.0 mi East 9.2 mph - N/A   Overcast
4:51 AM 64.9 °F 46.0 °F 50% 29.81 in 10.0 mi ESE 9.2 mph - N/A   Overcast
5:51 AM 66.2 °F 44.6 °F 46% 29.79 in 10.0 mi ESE 18.4 mph - N/A   Overcast
6:51 AM 64.9 °F 46.0 °F 50% 29.78 in 10.0 mi ESE 11.5 mph - N/A   Overcast
7:51 AM 64.9 °F 46.9 °F 52% 29.78 in 10.0 mi East 9.2 mph - N/A   Overcast
8:51 AM 63.0 °F 51.1 °F 65% 29.79 in 9.0 mi ESE 8.1 mph - 0.01 in Rain Light Rain
9:51 AM 61.0 °F 54.0 °F 78% 29.77 in 10.0 mi East 9.2 mph - 0.05 in Rain Light Rain
10:51 AM 63.0 °F 55.9 °F 78% 29.75 in 10.0 mi ENE 4.6 mph - 0.02 in Rain Light Rain
11:51 AM 63.0 °F 57.0 °F 81% 29.78 in 10.0 mi ESE 5.8 mph - 0.00 in   Overcast
11:58 AM 62.6 °F 57.2 °F 82% 29.79 in 10.0 mi ESE 5.8 mph - N/A   Overcast
12:51 PM 64.0 °F 57.9 °F 80% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
1:11 PM 64.4 °F 59.0 °F 83% 29.77 in 10.0 mi NE 3.5 mph - N/A   Overcast
1:46 PM 66.2 °F 59.0 °F 78% 29.77 in 9.0 mi NNW 4.6 mph - N/A   Overcast
1:51 PM 66.0 °F 59.0 °F 78% 29.75 in 9.0 mi North 4.6 mph - N/A   Overcast
2:51 PM 64.0 °F 57.0 °F 78% 29.76 in 9.0 mi NNW 11.5 mph - N/A   Overcast
3:12 PM 62.6 °F 55.4 °F 77% 29.77 in 8.0 mi NNW 17.3 mph 23.0 mph N/A   Overcast
3:51 PM 59.0 °F 54.0 °F 83% 29.77 in 7.0 mi North 16.1 mph 21.9 mph 0.00 in Rain Light Rain
4:22 PM 59.0 °F 53.6 °F 82% 29.78 in 8.0 mi North 17.3 mph - 0.00 in   Overcast
4:51 PM 59.0 °F 52.0 °F 78% 29.78 in 9.0 mi NNW 16.1 mph - 0.00 in   Overcast
5:51 PM 57.0 °F 51.1 °F 81% 29.80 in 9.0 mi North 12.7 mph 20.7 mph N/A   Overcast
6:10 PM 55.4 °F 51.8 °F 88% 29.82 in 9.0 mi NNW 13.8 mph - N/A   Overcast
6:51 PM 55.9 °F 51.1 °F 84% 29.82 in 9.0 mi North 11.5 mph - N/A   Overcast
7:41 PM 55.4 °F 51.8 °F 88% 29.84 in 4.0 mi NNW 10.4 mph - 0.00 in Rain Light Rain
7:51 PM 55.0 °F 51.1 °F 86% 29.84 in 5.0 mi NW 11.5 mph - 0.00 in   Overcast
8:51 PM 55.0 °F 51.1 °F 86% 29.85 in 5.0 mi NNW 17.3 mph 20.7 mph 0.00 in   Light Drizzle
9:33 PM 53.6 °F 51.8 °F 94% 29.88 in 4.0 mi NNW 12.7 mph - 0.00 in   Light Drizzle
9:51 PM 54.0 °F 51.1 °F 90% 29.88 in 4.0 mi NNW 10.4 mph - 0.00 in   Light Drizzle
10:42 PM 53.6 °F 50.0 °F 88% 29.89 in 5.0 mi North 11.5 mph - 0.01 in   Light Drizzle
10:51 PM 54.0 °F 50.0 °F 86% 29.88 in 7.0 mi North 9.2 mph - 0.01 in   Light Drizzle
11:21 PM 53.6 °F 51.8 °F 94% 29.89 in 4.0 mi NNW 11.5 mph 24.2 mph 0.00 in   Light Drizzle
11:51 PM 54.0 °F 50.0 °F 86% 29.88 in 5.0 mi NNW 13.8 mph - 0.00 in Rain Light Rain