


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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130 CDUS43 KLOT 132133 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 433 PM CDT MON OCT 13 2025 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 13 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 69 2:10 PM 88 1975 65 4 68 MINIMUM 56 6:25 AM 30 1987 48 8 50 AVERAGE 63 56 7 59 PRECIPITATION (IN) TODAY 0.00 2.43 1970 0.12 -0.12 0.00 MONTH TO DATE 1.41 1.48 -0.07 0.08 SINCE SEP 1 1.97 4.25 -2.28 1.97 SINCE JAN 1 26.79 28.28 -1.49 31.44 DEGREE DAYS HEATING TODAY 2 9 -7 6 MONTH TO DATE 38 95 -57 23 SINCE SEP 1 59 154 -95 33 SINCE JUL 1 61 158 -97 33 COOLING TODAY 0 1 -1 0 MONTH TO DATE 62 17 45 16 SINCE SEP 1 266 153 113 235 SINCE JAN 1 1407 1109 298 1358 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 4.7 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 77 6:00 AM LOWEST 49 1:00 PM AVERAGE 63 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 89 1975 MINIMUM TEMPERATURE (F) 47 28 1937 SUNRISE AND SUNSET OCTOBER 13 2025.......SUNRISE 7:01 AM CDT SUNSET 6:12 PM CDT OCTOBER 14 2025.......SUNRISE 7:02 AM CDT SUNSET 6:11 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$