CDUS43 KLOT 192139 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 439 PM CDT TUE MAY 19 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 19 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 79 1:04 PM 94 1975 72 7 55 1977 MINIMUM 66 1:58 AM 36 1894 52 14 43 1993 AVERAGE 73 62 11 49 PRECIPITATION (IN) TODAY T 1.53 1949 0.15 -0.15 0.00 MONTH TO DATE 0.73 2.81 -2.08 0.33 SINCE MAR 1 12.46 9.01 3.45 5.98 SINCE JAN 1 15.15 12.97 2.18 8.48 SNOWFALL (IN) TODAY 0.0 0.0 MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 T SINCE MAR 1 1.8 6.8 -5.0 2.8 SINCE JUL 1 34.1 38.4 -4.3 17.6 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 6 -6 16 MONTH TO DATE 167 147 20 134 SINCE MAR 1 1162 1423 -261 1192 SINCE JUL 1 5522 5892 -370 5327 COOLING TODAY 8 2 6 0 MONTH TO DATE 38 26 12 26 SINCE MAR 1 57 36 21 34 SINCE JAN 1 57 36 21 34 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 14.2 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 56 12:00 PM AVERAGE 70 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 95 1977 MINIMUM TEMPERATURE (F) 52 33 2002 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 5:27 AM CDT SUNSET 8:09 PM CDT MAY 20 2026...........SUNRISE 5:27 AM CDT SUNSET 8:10 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$