CDUS43 KLOT 012135 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 435 PM CDT TUE APR 01 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 1 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 43 1:27 PM 83 2010 53 -10 48 MINIMUM 33 5:18 AM 17 1881 36 -3 42 AVERAGE 38 44 -6 45 PRECIPITATION (IN) TODAY 0.00 1.58 1967 0.10 -0.10 0.44 MONTH TO DATE 0.00 0.10 -0.10 0.44 SINCE MAR 1 2.99 2.55 0.44 4.03 SINCE JAN 1 5.49 6.51 -1.02 8.18 SNOWFALL (IN) TODAY 0.0 8.2 1970 0.1 -0.1 0.0 MONTH TO DATE 0.0 0.1 -0.1 0.0 SINCE MAR 1 2.8 5.6 -2.8 1.0 SINCE JUL 1 17.6 37.2 -19.6 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 27 21 6 20 MONTH TO DATE 27 21 6 20 SINCE MAR 1 657 829 -172 662 SINCE JUL 1 4792 5298 -506 4350 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 16 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 10.7 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 73 12:00 AM LOWEST 41 12:00 PM AVERAGE 57 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 54 82 1963 MINIMUM TEMPERATURE (F) 36 18 1896 1899 SUNRISE AND SUNSET APRIL 1 2025.........SUNRISE 6:34 AM CDT SUNSET 7:18 PM CDT APRIL 2 2025.........SUNRISE 6:32 AM CDT SUNSET 7:19 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$