Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS53 KLOT 011524 CLMORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1024 AM CDT FRI SEP 01 2023 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 102 08/05/1918 LOW 42 08/28/1986 HIGHEST 100 08/24 95 08/06 LOWEST 54 08/31 58 08/12 AVG. MAXIMUM 83.0 82.5 0.5 83.0 AVG. MINIMUM 65.5 65.1 0.4 65.7 MEAN 74.3 73.8 0.5 74.4 DAYS MAX >= 90 5 3.7 1.3 3 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 17.10 1987 MINIMUM 0.18 1893 TOTALS 1.33 4.25 -2.92 2.05 DAILY AVG. 0.04 0.14 -0.10 0.07 DAYS >= .01 5 9.4 -4.4 7 DAYS >= .10 4 6.5 -2.5 6 DAYS >= .50 1 2.7 -1.7 1 DAYS >= 1.00 0 1.2 -1.2 0 GREATEST 24 HR. TOTAL 1.00 08/14 TO 08/15 0.61 DEGREE DAYS HEATING TOTAL 2 4 -2 0 SINCE 7/1 2 2 0 MM COOLING TOTAL 299 277 22 299 SINCE 1/1 934 872 62 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.8 HIGHEST WIND SPEED/DIRECTION 30/350 DATE 08/11 HIGHEST GUST SPEED/DIRECTION 39/350 DATE 08/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.51 NUMBER OF DAYS FAIR 8 NUMBER OF DAYS PC 19 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 2 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 9 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. $$