Climatological Report (Daily)
Issued by NWS
Issued by NWS
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375 CDUS43 KLOT 182134 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 434 PM CDT WED SEP 18 2024 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 18 2024... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 89 1:34 PM 94 1955 76 13 71 MINIMUM 64 5:23 AM 39 1929 58 6 53 AVERAGE 77 67 10 62 PRECIPITATION (IN) TODAY 0.00 3.15 2015 0.09 -0.09 0.00 MONTH TO DATE T 1.69 -1.69 2.73 SINCE SEP 1 T 1.69 -1.69 2.73 SINCE JAN 1 29.47 25.72 3.75 28.34 DEGREE DAYS HEATING TODAY 0 2 -2 3 MONTH TO DATE 10 17 -7 13 SINCE SEP 1 10 17 -7 13 SINCE JUL 1 10 21 -11 14 COOLING TODAY 12 4 8 0 MONTH TO DATE 139 102 37 89 SINCE SEP 1 139 102 37 89 SINCE JAN 1 1262 1058 204 1051 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 4.1 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 2:00 AM LOWEST 24 2:00 PM AVERAGE 54 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 93 1955 MINIMUM TEMPERATURE (F) 58 37 1929 SUNRISE AND SUNSET SEPTEMBER 18 2024.....SUNRISE 6:35 AM CDT SUNSET 6:54 PM CDT SEPTEMBER 19 2024.....SUNRISE 6:36 AM CDT SUNSET 6:52 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$