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Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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000 CXUS53 KLOT 011818 CCA CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1245 PM CDT FRI SEP 01 2023 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2023 TO 8/31/2023... 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 35 06/04/1945 HIGHEST 100 08/24 99 06/21 LOWEST 49 06/12 52 06/19 AVG. MAXIMUM 83.0 82.5 0.5 83.0 AVG. MINIMUM 64.1 64.1 0.0 64.8 MEAN 73.6 73.3 0.3 73.9 DAYS MAX >= 90 16 14.3 1.7 14 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 23.48 1987 MINIMUM 3.16 1894 TOTALS 11.30 12.06 -0.76 9.21 DAILY AVG. 0.12 0.13 -0.01 0.10 DAYS >= .01 26 30.2 -4.2 27 DAYS >= .10 17 19.0 -2.0 18 DAYS >= .50 7 7.9 -0.9 7 DAYS >= 1.00 2 3.3 -1.3 1 GREATEST 24 HR. TOTAL 3.79 07/01 TO 07/02 1.79 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 T SINCE 7/1 0.0 0.0 0.0 T DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 24 HR TOTAL 0.0 0.0 DEGREE DAYS HEATING TOTAL 27 37 -10 7 SINCE 7/1 2 2 0 0 COOLING TOTAL 841 802 39 856 SINCE 1/1 934 872 62 1001 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.2 HIGHEST WIND SPEED/DIRECTION 37/320 DATE 07/28 HIGHEST GUST SPEED/DIRECTION 58/270 DATE 07/14 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.54 NUMBER OF DAYS FAIR 22 NUMBER OF DAYS PC 53 NUMBER OF DAYS CLOUDY 17 AVERAGE RH (PERCENT) 64 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 19 MIXED PRECIP 0 HEAVY RAIN 13 RAIN 17 LIGHT RAIN 27 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 28 FOG W/VIS <= 1/4 MILE 0 HAZE 23 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$