Climatological Report (Daily)
Issued by NWS
Issued by NWS
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378 CDUS43 KLOT 182134 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 434 PM CDT WED SEP 18 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 18 2024... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 88 1:47 PM 94 1955 75 13 73 MINIMUM 61 5:46 AM 40 1889 56 5 53 1901 1903 AVERAGE 75 66 9 63 PRECIPITATION (IN) TODAY 0.00 2.41 2015 0.10 -0.10 0.00 MONTH TO DATE 0.04 1.94 -1.90 2.52 SINCE SEP 1 0.04 1.94 -1.90 2.52 SINCE JAN 1 26.90 28.65 -1.75 26.78 SNOWFALL (IN) TODAY 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 TODAY 0 3 -3 2 MONTH TO DATE 14 24 -10 11 SINCE SEP 1 14 24 -10 11 SINCE JUL 1 14 30 -16 13 COOLING TODAY 10 3 7 0 MONTH TO DATE 122 90 32 96 SINCE SEP 1 122 90 32 96 SINCE JAN 1 1108 962 146 1030 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 2.9 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 2:00 AM LOWEST 26 2:00 PM AVERAGE 58 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 93 1955 MINIMUM TEMPERATURE (F) 56 40 1991 SUNRISE AND SUNSET SEPTEMBER 18 2024.....SUNRISE 6:35 AM CDT SUNSET 6:55 PM CDT SEPTEMBER 19 2024.....SUNRISE 6:36 AM CDT SUNSET 6:53 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$