CDUS43 KLOT 060631 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT SUN APR 06 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 5 2025... 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) YESTERDAY MAXIMUM 54 3:30 PM 85 1988 55 -1 49 MINIMUM 39 11:15 PM 18 1979 37 2 36 1995 AVERAGE 47 46 1 43 PRECIPITATION (IN) YESTERDAY 0.10 2.58 1947 0.11 -0.01 0.00 MONTH TO DATE 1.41 0.53 0.88 1.21 SINCE MAR 1 4.40 2.98 1.42 4.80 SINCE JAN 1 6.90 6.94 -0.04 8.95 SNOWFALL (IN) YESTERDAY 0.0 9.4 1982 0.0 0.0 0.0 MONTH TO DATE 0.0 0.4 -0.4 T SINCE MAR 1 2.8 5.9 -3.1 1.0 SINCE JUL 1 17.6 37.5 -19.9 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 18 19 -1 22 MONTH TO DATE 91 100 -9 118 SINCE MAR 1 721 908 -187 760 SINCE JUL 1 4856 5377 -521 4448 COOLING YESTERDAY 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 20 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 10.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 5:00 AM LOWEST 52 4:00 PM AVERAGE 75 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 55 84 1929 MINIMUM TEMPERATURE (F) 37 15 1982 SUNRISE AND SUNSET APRIL 6 2025.........SUNRISE 6:25 AM CDT SUNSET 7:23 PM CDT APRIL 7 2025.........SUNRISE 6:24 AM CDT SUNSET 7:24 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$