Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS53 KLOT 011509 CLMMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1009 AM CDT TUE AUG 01 2023 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF JULY 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 109 07/23/1934 LOW 46 07/05/1972 HIGHEST 93 07/28 95 07/05 LOWEST 60 07/09 62 07/10 AVG. MAXIMUM 84.5 85.0 -0.5 85.5 AVG. MINIMUM 67.2 67.7 -0.5 69.9 MEAN 75.9 76.3 -0.4 77.7 DAYS MAX >= 90 7 8.0 -1.0 6 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 10.39 2010 MINIMUM 0.31 1936 TOTALS 11.28 3.55 7.73 6.52 DAILY AVG. 0.36 0.11 0.25 0.21 DAYS >= .01 12 9.7 2.3 8 DAYS >= .10 10 5.5 4.5 8 DAYS >= .50 5 2.3 2.7 5 DAYS >= 1.00 5 0.8 4.2 3 GREATEST 24 HR. TOTAL 4.68 07/02 TO 07/02 1.99 DEGREE DAYS HEATING TOTAL 0 1 -1 0 SINCE 7/1 0 0 0 MM COOLING TOTAL 345 353 -8 402 SINCE 1/1 666 657 9 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.5 HIGHEST WIND SPEED/DIRECTION 37/220 DATE 07/05 HIGHEST GUST SPEED/DIRECTION 67/320 DATE 07/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.52 NUMBER OF DAYS FAIR 9 NUMBER OF DAYS PC 14 NUMBER OF DAYS CLOUDY 8 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 12 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 6 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 1 HAZE 8 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$