CXUS53 KLOT 012212 CCA CLAORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 412 PM CST MON JAN 01 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE YEAR OF 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 105 07/24/1934 LOW -27 01/20/1985 HIGHEST 100 08/24 99 06/21 LOWEST -1 01/31 -8 12/23 02/03 AVG. MAXIMUM 62.4 59.5 2.9 59.7 AVG. MINIMUM 45.7 43.0 2.7 42.8 MEAN 54.0 51.2 2.8 51.3 DAYS MAX >= 90 21 16.7 4.3 16 DAYS MAX <= 32 16 43.4 -27.4 46 DAYS MIN <= 32 91 121.3 -30.3 110 DAYS MIN <= 0 2 6.5 -4.5 6 PRECIPITATION (INCHES) RECORD MAXIMUM 50.86 2008 MINIMUM 22.22 1962 TOTALS 33.73 37.86 -4.13 31.99 DAILY AVG. 0.09 0.10 -0.01 0.09 DAYS >= .01 135 125.8 9.2 114 DAYS >= .10 76 71.6 4.4 65 DAYS >= .50 20 23.8 -3.8 18 DAYS >= 1.00 7 8.3 -1.3 6 GREATEST 24 HR. TOTAL 3.79 07/01 TO 07/02 1.79 SNOWFALL (INCHES) RECORDS TOTAL 95.3 1978 TOTALS 19.8 38.4 -18.6 35.2 SINCE 7/1 3.9 9.6 -5.7 4.3 DAYS >= 1.0 6 11.4 -5.4 12 GREATEST SNOW DEPTH 3 01/30 6 01/29 01/31 02/01 02/03 24 HR TOTAL 3.6 01/25 TO 01/25 5.6 DEGREE DAYS HEATING TOTAL 5014 5974 -960 6044 SINCE 7/1 1762 2220 -458 2166 COOLING TOTAL 1145 1003 142 1174 SINCE 1/1 1145 1003 142 1174 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.1 HIGHEST WIND SPEED/DIRECTION 37/320 DATE 07/28 HIGHEST GUST SPEED/DIRECTION 58/230 DATE 07/14 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.63 NUMBER OF DAYS FAIR 64 NUMBER OF DAYS PC 167 NUMBER OF DAYS CLOUDY 134 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 37 MIXED PRECIP 1 HEAVY RAIN 31 RAIN 54 LIGHT RAIN 133 FREEZING RAIN 0 LT FREEZING RAIN 5 HAIL 8 HEAVY SNOW 0 SNOW 8 LIGHT SNOW 42 SLEET 7 FOG 140 FOG W/VIS <= 1/4 MILE 10 HAZE 64 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$