CDUS43 KLOT 190648 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 148 AM CDT THU MAR 19 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 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 46 4:57 PM 81 2012 48 -2 72 MINIMUM 23 3:23 AM 3 1923 32 -9 42 AVERAGE 35 40 -5 57 PRECIPITATION (IN) YESTERDAY 0.01 1.33 1983 0.08 -0.07 0.00 MONTH TO DATE 4.24 1.38 2.86 1.82 SINCE MAR 1 4.24 1.38 2.86 1.82 SINCE JAN 1 6.93 5.34 1.59 4.32 SNOWFALL (IN) YESTERDAY 0.3 4.5 1971 0.2 0.1 0.0 MONTH TO DATE 1.8 4.1 -2.3 1.1 SINCE MAR 1 1.8 4.1 -2.3 1.1 SINCE JUL 1 34.1 35.7 -1.6 15.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 30 25 5 8 MONTH TO DATE 448 509 -61 389 SINCE MAR 1 448 509 -61 389 SINCE JUL 1 4808 4978 -170 4524 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 9.4 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT SNOW FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 85 12:00 AM LOWEST 53 4:00 PM AVERAGE 69 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 78 1921 2012 MINIMUM TEMPERATURE (F) 32 0 1923 SUNRISE AND SUNSET MARCH 19 2026.........SUNRISE 6:56 AM CDT SUNSET 7:03 PM CDT MARCH 20 2026.........SUNRISE 6:55 AM CDT SUNSET 7:04 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$