Climatological Report (Monthly)
Issued by NWS
Issued by NWS
354 CXUS53 KLOT 011348 CLMMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 848 AM CDT SUN SEP 01 2024 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 08/09/1934 LOW 43 08/29/1965 HIGHEST 99 08/27 100 08/24 LOWEST 56 08/22 54 08/31 AVG. MAXIMUM 84.2 82.7 1.5 82.5 AVG. MINIMUM 66.9 66.4 0.5 66.0 MEAN 75.5 74.5 1.0 74.3 DAYS MAX >= 90 7 4.0 3.0 4 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 9.95 1987 MINIMUM 0.71 2008 TOTALS 3.74 3.99 -0.25 2.72 DAILY AVG. 0.12 0.13 -0.01 0.09 DAYS >= .01 9 9.9 -0.9 6 DAYS >= .10 6 6.4 -0.4 4 DAYS >= .50 3 2.7 0.3 1 DAYS >= 1.00 1 1.0 0.0 1 GREATEST 24 HR. TOTAL 1.27 08/16 TO 08/16 2.02 DEGREE DAYS HEATING TOTAL 0 3 -3 1 SINCE 7/1 0 1 -1 MM COOLING TOTAL 336 299 37 296 SINCE 1/1 1123 956 167 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.0 HIGHEST WIND SPEED/DIRECTION 31/300 DATE 08/16 HIGHEST GUST SPEED/DIRECTION 45/300 DATE 08/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.51 NUMBER OF DAYS FAIR 7 NUMBER OF DAYS PC 18 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 64 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 4 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 6 FOG W/VIS <= 1/4 MILE 0 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$