Climatological Report (Daily)
Issued by NWS
Issued by NWS
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243 CDUS43 KLOT 210639 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 139 AM CDT SAT SEP 21 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 91 2:10 PM 93 2018 74 17 80 MINIMUM 69 11:59 PM 36 1991 55 14 63 AVERAGE 80 65 15 72 PRECIPITATION (IN) YESTERDAY 0.02 1.33 2001 0.11 -0.09 0.01 MONTH TO DATE 0.06 2.16 -2.10 2.80 SINCE SEP 1 0.06 2.16 -2.10 2.80 SINCE JAN 1 26.92 28.87 -1.95 27.06 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 3 -3 0 MONTH TO DATE 14 30 -16 13 SINCE SEP 1 14 30 -16 13 SINCE JUL 1 14 36 -22 15 COOLING YESTERDAY 15 3 12 7 MONTH TO DATE 148 96 52 103 SINCE SEP 1 148 96 52 103 SINCE JAN 1 1134 968 166 1037 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 7.8 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 76 5:00 AM LOWEST 28 4:00 PM AVERAGE 52 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 2017 MINIMUM TEMPERATURE (F) 55 39 1889 1983 1991 SUNRISE AND SUNSET SEPTEMBER 21 2024.....SUNRISE 6:38 AM CDT SUNSET 6:50 PM CDT SEPTEMBER 22 2024.....SUNRISE 6:40 AM CDT SUNSET 6:48 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$