599  
CDUS43 KLOT 080633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON MAY 08 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 7 2023
 
 
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)  
YESTERDAY  
MAXIMUM 87R 1:08 PM 87 1936 67 20 64  
1964  
MINIMUM 58 8:26 PM 29 1989 48 10 43  
AVERAGE 73 58 15 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 2.07 1998 0.15 -0.11 0.00  
MONTH TO DATE 0.13 1.02 -0.89 1.92  
SINCE MAR 1 5.95 7.22 -1.27 10.92  
SINCE JAN 1 12.38 11.18 1.20 14.35  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 8 1 7 0  
MONTH TO DATE 14 7 7 0  
SINCE MAR 1 39 17 22 3  
SINCE JAN 1 39 17 22 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 10:00 PM  
LOWEST 27 1:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1963  
MINIMUM TEMPERATURE (F) 48 29 1983  
 
SUNRISE AND SUNSET  
MAY 8 2023...........SUNRISE 5:39 AM CDT SUNSET 7:58 PM CDT  
MAY 9 2023...........SUNRISE 5:38 AM CDT SUNSET 7:59 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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