Chicago, IL

6:06 PM CDT on June 24, 2018 (GMT -0500)
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Weather History for KORD - May, 2015

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Friday, May 1, 2015

  Actual Average Record
Temperature  
Mean Temperature 53 °F 54 °F  
Max Temperature 67 °F 65 °F 90 °F (1951)
Min Temperature 38 °F 44 °F 30 °F (1943)
Degree Days  
Heating Degree Days 12 11  
Month to date heating degree days 12 11  
Since 1 July heating degree days 6562 6078  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 10  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 38 °F    
Average Humidity 65    
Maximum Humidity 92    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.11 in 2.35 in (1873)
Month to date precipitation 0.00 0.11  
Year to date precipitation 6.83 9.51  
Snow  
Snow 0.00 in 0.00 in 1.60 in (1940)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 50.7 36.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 6 mph (NE)    
Max Wind Speed 14 mph    
Max Gust Speed 16 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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Astronomy

May. 01, 2015 Rise Set
Actual Time 5:47 AM CDT 7:50 PM CDT
Civil Twilight 5:17 AM CDT 8:20 PM CDT
Nautical Twilight 4:40 AM CDT 8:58 PM CDT
Astronomical Twilight 3:59 AM CDT 9:38 PM CDT
Moon 5:36 PM CDT (5/1) 4:36 AM CDT (5/1)
Length of Visible Light 15h 03m
Length of Day
14h 02m
Waxing Gibbous, 94% of the Moon is Illuminated
May 1
Waxing Gibbous
May 3
Full
May 11
Last Quarter
May 17
New
May 25
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 39.9 °F 37.8 °F 34.0 °F 79% 30.12 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:51 AM 37.9 °F - 34.0 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 39.9 °F 37.8 °F 35.1 °F 83% 30.11 in 10.0 mi NW 3.5 mph - N/A   Clear
3:51 AM 39.0 °F 35.7 °F 34.0 °F 82% 30.12 in 10.0 mi NW 4.6 mph - N/A   Clear
4:51 AM 37.9 °F 33.5 °F 34.0 °F 86% 30.13 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
5:51 AM 37.9 °F 33.5 °F 35.1 °F 89% 30.15 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
6:51 AM 44.1 °F 40.1 °F 37.0 °F 76% 30.17 in 10.0 mi NNW 6.9 mph - N/A   Clear
7:51 AM 48.9 °F - 37.9 °F 66% 30.18 in 10.0 mi North 4.6 mph - N/A   Clear
8:51 AM 54.0 °F - 37.9 °F 55% 30.18 in 10.0 mi North 5.8 mph - N/A   Clear
9:51 AM 57.0 °F - 39.0 °F 51% 30.18 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
10:51 AM 59.0 °F - 39.0 °F 48% 30.19 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
11:51 AM 61.0 °F - 39.0 °F 44% 30.17 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
12:51 PM 63.0 °F - 37.9 °F 40% 30.16 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
1:51 PM 64.9 °F - 37.9 °F 37% 30.14 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
2:51 PM 66.0 °F - 41.0 °F 40% 30.12 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
3:51 PM 64.0 °F - 39.9 °F 41% 30.10 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
4:51 PM 64.9 °F - 41.0 °F 42% 30.09 in 10.0 mi SE 11.5 mph - N/A   Overcast
5:51 PM 63.0 °F - 39.0 °F 41% 30.09 in 10.0 mi East 10.4 mph - N/A   Overcast
6:51 PM 61.0 °F - 39.9 °F 46% 30.08 in 10.0 mi East 9.2 mph - N/A   Overcast
7:51 PM 57.9 °F - 39.9 °F 51% 30.09 in 10.0 mi SE 8.1 mph - N/A   Overcast
8:51 PM 55.0 °F - 39.9 °F 57% 30.10 in 10.0 mi South 4.6 mph - N/A   Overcast
9:51 PM 55.0 °F - 41.0 °F 59% 30.10 in 10.0 mi SSE 3.5 mph - N/A   Overcast
10:51 PM 54.0 °F - 41.0 °F 62% 30.10 in 10.0 mi South 4.6 mph - N/A   Overcast
11:51 PM 54.0 °F - 41.0 °F 62% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast