717  
CDUS43 KLOT 072135  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SUN MAY 07 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 7 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87R 1:08 PM 87 1936 67 20 64  
1964  
MINIMUM 66 6:08 AM 29 1989 48 18 43  
AVERAGE 77 58 19 54  
 
PRECIPITATION (IN)  
TODAY 0.00 2.07 1998 0.15 -0.15 0.00  
MONTH TO DATE 0.09 1.02 -0.93 1.92  
SINCE MAR 1 5.91 7.22 -1.31 10.92  
SINCE JAN 1 12.34 11.18 1.16 14.35  
 
SNOWFALL (IN)  
TODAY 0.0 T 1947 0.0 0.0 0.0  
1960  
1989  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.3 6.8 -4.5 4.2  
SINCE JUL 1 20.2 38.4 -18.2 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 8 -8 11  
MONTH TO DATE 61 65 -4 104  
SINCE MAR 1 1279 1341 -62 1384  
SINCE JUL 1 5314 5810 -496 5601  
 
COOLING  
TODAY 12 1 11 0  
MONTH TO DATE 18 7 11 0  
SINCE MAR 1 43 17 26 3  
SINCE JAN 1 43 17 26 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 4:00 AM  
LOWEST 27 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1963  
MINIMUM TEMPERATURE (F) 48 29 1983  
 
SUNRISE AND SUNSET  
MAY 7 2023...........SUNRISE 5:40 AM CDT SUNSET 7:57 PM CDT  
MAY 8 2023...........SUNRISE 5:39 AM CDT SUNSET 7:58 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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