CDUS43 KLOT 220631 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 131 AM CDT SUN MAR 22 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 21 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 77 5:06 PM 87 2012 49 28 60 MINIMUM 41 1:32 AM 9 1885 33 8 31 1888 AVERAGE 59 41 18 46 PRECIPITATION (IN) YESTERDAY 0.00 1.07 2007 0.08 -0.08 T MONTH TO DATE 4.24 1.62 2.62 2.58 SINCE MAR 1 4.24 1.62 2.62 2.58 SINCE JAN 1 6.93 5.58 1.35 5.08 SNOWFALL (IN) YESTERDAY 0.0 8.5 1992 0.1 -0.1 0.0 MONTH TO DATE 1.8 4.5 -2.7 2.8 SINCE MAR 1 1.8 4.5 -2.7 2.8 SINCE JUL 1 34.1 36.1 -2.0 17.6 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 6 24 -18 19 MONTH TO DATE 480 583 -103 459 SINCE MAR 1 480 583 -103 459 SINCE JUL 1 4840 5052 -212 4594 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 18 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 9.1 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 76 6:00 AM LOWEST 32 5:00 PM AVERAGE 54 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 49 83 2012 MINIMUM TEMPERATURE (F) 33 -1 1888 SUNRISE AND SUNSET MARCH 22 2026.........SUNRISE 6:51 AM CDT SUNSET 7:06 PM CDT MARCH 23 2026.........SUNRISE 6:50 AM CDT SUNSET 7:07 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$