


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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981 CDUS43 KLOT 022146 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 446 PM CDT WED APR 02 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 2 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 59 2:59 PM 82 1963 54 5 45 MINIMUM 40 5:47 AM 18 1896 36 4 36 1899 AVERAGE 50 45 5 41 PRECIPITATION (IN) TODAY 1.23 1.64 1983 0.10 1.13 0.40 MONTH TO DATE 1.23 0.20 1.03 0.84 SINCE MAR 1 4.22 2.65 1.57 4.43 SINCE JAN 1 6.72 6.61 0.11 8.58 SNOWFALL (IN) TODAY 0.0 9.4 1975 0.1 -0.1 T MONTH TO DATE 0.0 0.2 -0.2 T SINCE MAR 1 2.8 5.7 -2.9 1.0 SINCE JUL 1 17.6 37.3 -19.7 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 15 20 -5 24 MONTH TO DATE 41 41 0 44 SINCE MAR 1 671 849 -178 686 SINCE JUL 1 4806 5318 -512 4374 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 2 -2 0 SINCE JAN 1 0 2 -2 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SE (120) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 14.7 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 1:00 PM LOWEST 65 12:00 AM AVERAGE 81 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 81 1956 MINIMUM TEMPERATURE (F) 36 17 1879 1987 SUNRISE AND SUNSET APRIL 2 2025.........SUNRISE 6:32 AM CDT SUNSET 7:19 PM CDT APRIL 3 2025.........SUNRISE 6:30 AM CDT SUNSET 7:20 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$