Climatological Report (Daily)
Issued by NWS
Issued by NWS
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826 CDUS43 KLOT 180632 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 132 AM CDT WED SEP 18 2024 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 17 2024... 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) YESTERDAY MAXIMUM 85 2:51 PM 93 1955 76 9 69 MINIMUM 62 5:24 AM 39 1937 58 4 55 AVERAGE 74 67 7 62 PRECIPITATION (IN) YESTERDAY 0.00 1.20 1978 0.09 -0.09 1.20 2023 MONTH TO DATE T 1.60 -1.60 2.73 SINCE SEP 1 T 1.60 -1.60 2.73 SINCE JAN 1 29.47 25.63 3.84 28.34 DEGREE DAYS HEATING YESTERDAY 0 2 -2 3 MONTH TO DATE 10 15 -5 10 SINCE SEP 1 10 15 -5 10 SINCE JUL 1 10 19 -9 11 COOLING YESTERDAY 9 4 5 0 MONTH TO DATE 127 98 29 89 SINCE SEP 1 127 98 29 89 SINCE JAN 1 1250 1054 196 1051 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 4.8 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 11:00 PM LOWEST 25 3:00 PM AVERAGE 52 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 94 1955 MINIMUM TEMPERATURE (F) 58 39 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. $$