Climatological Report (Daily)
Issued by NWS
Issued by NWS
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477 CDUS43 KLOT 170633 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 133 AM CDT TUE SEP 17 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 16 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 90 1:48 PM 92 1931 76 14 70 1955 MINIMUM 65 5:45 AM 37 1984 57 8 60 AVERAGE 78 66 12 65 PRECIPITATION (IN) YESTERDAY 0.00 1.16 1980 0.10 -0.10 0.03 MONTH TO DATE 0.04 1.73 -1.69 0.92 SINCE SEP 1 0.04 1.73 -1.69 0.92 SINCE JAN 1 26.90 28.44 -1.54 25.18 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 2 -2 0 MONTH TO DATE 14 18 -4 5 SINCE SEP 1 14 18 -4 5 SINCE JUL 1 14 24 -10 7 COOLING YESTERDAY 13 4 9 0 MONTH TO DATE 103 83 20 96 SINCE SEP 1 103 83 20 96 SINCE JAN 1 1089 955 134 1030 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 5.9 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 23 2:00 PM AVERAGE 54 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 93 1955 MINIMUM TEMPERATURE (F) 57 37 1984 SUNRISE AND SUNSET SEPTEMBER 17 2024.....SUNRISE 6:34 AM CDT SUNSET 6:57 PM CDT SEPTEMBER 18 2024.....SUNRISE 6:35 AM CDT SUNSET 6:55 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$