989  
CXUS53 KLOT 011819  
CLMORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
119 PM CDT MON APR 01 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF MARCH 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 88 03/29/1986  
LOW -12 03/04/1873  
HIGHEST 73 03/03 70 03/31  
LOWEST 24 03/18 12 03/18  
AVG. MAXIMUM 52.9 47.0 5.9 46.0  
AVG. MINIMUM 35.1 31.0 4.1 31.6  
MEAN 44.0 39.0 5.0 38.8  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 3.0 -3.0 1  
DAYS MIN <= 32 13 19.9 -6.9 15  
DAYS MIN <= 0 0 0.2 -0.2 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 5.58 1922  
MINIMUM 0.29 1910  
TOTALS 3.59 2.45 1.14 3.80  
DAILY AVG. 0.12 0.08 0.04 0.12  
DAYS >= .01 10 10.8 -0.8 16  
DAYS >= .10 8 5.5 2.5 10  
DAYS >= .50 2 1.4 0.6 2  
DAYS >= 1.00 0 0.4 -0.4 1  
GREATEST  
24 HR. TOTAL 0.91 03/08 TO 03/08 1.19  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 23.1 1926  
TOTALS 1.0 5.5 -4.5 1.8  
SINCE 7/1 22.2 37.1 -14.9 MM  
SNOWDEPTH AVG. 0 0  
DAYS >= 1.0 1 2.0 -1.0 0  
GREATEST  
SNOW DEPTH 0 1 03/10  
24 HR TOTAL 1.0 03/22 TO 03/22 1.2  
 
DEGREE DAYS  
HEATING TOTAL 642 808 -166 802  
SINCE 7/1 4330 5277 -947 MM  
COOLING TOTAL 0 2 -2 0  
SINCE 1/1 0 2 -2 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 11.7  
HIGHEST WIND SPEED/DIRECTION 31/020 DATE 03/05  
31/240 03/26  
HIGHEST GUST SPEED/DIRECTION 47/260 DATE 03/16  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.66  
NUMBER OF DAYS FAIR 4  
NUMBER OF DAYS PC 16  
NUMBER OF DAYS CLOUDY 11  
 
AVERAGE RH (PERCENT) 62  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 5 RAIN 6  
LIGHT RAIN 12 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 3 SLEET 0  
FOG 10 FOG W/VIS <= 1/4 MILE 0  
HAZE 3  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
NO RECORDS SET OR TIED FOR MARCH 2024.  
 

 
 
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