Climatological Report (Daily)
Issued by NWS
Issued by NWS
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251 CDUS43 KLOT 300659 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 159 AM CDT MON SEP 30 2024 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 29 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 74 3:31 PM 99 1953 71 3 76 MINIMUM 69 10:17 AM 33 1942 53 16 57 AVERAGE 72 62 10 67 PRECIPITATION (IN) YESTERDAY T 1.13 1929 0.08 -0.08 0.00 MONTH TO DATE 1.89 2.68 -0.79 3.60 SINCE SEP 1 1.89 2.68 -0.79 3.60 SINCE JAN 1 31.36 26.71 4.65 29.21 DEGREE DAYS HEATING YESTERDAY 0 5 -5 0 MONTH TO DATE 10 54 -44 15 SINCE SEP 1 10 54 -44 15 SINCE JUL 1 10 58 -48 16 COOLING YESTERDAY 7 2 5 2 MONTH TO DATE 213 133 80 131 SINCE SEP 1 213 133 80 131 SINCE JAN 1 1336 1089 247 1093 ................................................................... WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 12.1 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 87 10:00 AM LOWEST 63 1:00 AM AVERAGE 75 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 92 1971 MINIMUM TEMPERATURE (F) 53 34 1984 SUNRISE AND SUNSET SEPTEMBER 30 2024.....SUNRISE 6:47 AM CDT SUNSET 6:33 PM CDT OCTOBER 1 2024.......SUNRISE 6:48 AM CDT SUNSET 6:32 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$