CDUS43 KLOT 092132 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 432 PM CDT FRI MAY 09 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 9 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 66 2:59 PM 94 1934 68 -2 63 MINIMUM 37 2:46 AM 27 1983 48 -11 49 AVERAGE 52 58 -6 56 PRECIPITATION (IN) TODAY 0.00 3.14 1990 0.15 -0.15 0.51 MONTH TO DATE 0.33 1.32 -0.99 2.31 SINCE MAR 1 5.98 7.52 -1.54 9.37 SINCE JAN 1 8.48 11.48 -3.00 13.52 SNOWFALL (IN) TODAY 0.0 0.1 1923 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 2.8 6.8 -4.0 1.0 SINCE JUL 1 17.6 38.4 -20.8 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 13 8 5 9 MONTH TO DATE 92 81 11 28 SINCE MAR 1 1150 1357 -207 1041 SINCE JUL 1 5285 5826 -541 4729 COOLING TODAY 0 1 -1 0 MONTH TO DATE 0 9 -9 8 SINCE MAR 1 8 19 -11 17 SINCE JAN 1 8 19 -11 17 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 6.9 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 3:00 AM LOWEST 23 3:00 PM AVERAGE 54 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 90 2011 MINIMUM TEMPERATURE (F) 49 28 1983 SUNRISE AND SUNSETMAY 9 2025...........SUNRISE 5:37 AM CDT SUNSET 7:59 PM CDT MAY 10 2025...........SUNRISE 5:36 AM CDT SUNSET 8:00 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$