CDUS43 KLOT 190649 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 149 AM CDT TUE MAY 19 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 18 2026... 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) YESTERDAY MAXIMUM 79 2:13 PM 93 1962 71 8 64 MINIMUM 66 11:59 PM 34 2002 51 15 45 AVERAGE 73 61 12 55 PRECIPITATION (IN) YESTERDAY 0.39 1.36 1926 0.14 0.25 0.00 MONTH TO DATE 0.73 2.66 -1.93 0.33 SINCE MAR 1 12.46 8.86 3.60 5.98 SINCE JAN 1 15.15 12.82 2.33 8.48 SNOWFALL (IN) YESTERDAY 0.0 T 1894 0.0 0.0 0.0 1938 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 YESTERDAY 0 6 -6 10 MONTH TO DATE 167 141 26 118 SINCE MAR 1 1162 1417 -255 1176 SINCE JUL 1 5522 5886 -364 5311 COOLING YESTERDAY 8 2 6 0 MONTH TO DATE 30 24 6 26 SINCE MAR 1 49 34 15 34 SINCE JAN 1 49 34 15 34 ................................................................... WIND (MPH) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 13.0 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 11:00 AM LOWEST 54 1:00 AM AVERAGE 74 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAYNORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 94 1975 1977 MINIMUM TEMPERATURE (F) 52 36 1894 1993 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. $$