060  
CDUS43 KLOT 260649  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
149 AM CDT TUE MAR 26 2019  
 
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 25 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 231 PM 79 2007 50 -8 41  
MINIMUM 26 1054 PM 12 1974 32 -6 27  
1940  
AVERAGE 34 41 -7 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.20 1884 0.08 -0.08 0.00  
MONTH TO DATE 1.69 1.96 -0.27 1.21  
SINCE MAR 1 1.69 1.96 -0.27 1.21  
SINCE JAN 1 6.46 5.48 0.98 7.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.6 1930 0.1 -0.1 0.0  
MONTH TO DATE 0.3 4.9 -4.6 2.6  
SINCE MAR 1 0.3 4.9 -4.6 2.6  
SINCE JUL 1 41.6 34.4 7.2 32.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 24 7 31  
MONTH TO DATE 805 705 100 740  
SINCE MAR 1 805 705 100 740  
SINCE JUL 1 5596 5439 157 5198  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 17.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1200 AM  
LOWEST 29 500 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 79 2007  
MINIMUM TEMPERATURE (F) 32 7 1873  
 
 
SUNRISE AND SUNSET  
MARCH 26 2019.........SUNRISE 645 AM CDT SUNSET 710 PM CDT  
MARCH 27 2019.........SUNRISE 643 AM CDT SUNSET 711 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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