CDUS43 KLOT 200641 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 141 AM CDT WED MAY 20 2026 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 19 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 79 2:22 PM 95 1934 72 7 57 MINIMUM 61 11:59 PM 37 1929 53 8 45 1937 AVERAGE 70 63 7 51 PRECIPITATION (IN) YESTERDAY T 1.54 1931 0.14 -0.14 0.00 MONTH TO DATE 0.88 2.53 -1.65 0.60 SINCE MAR 1 10.61 7.98 2.63 7.18 SINCE JAN 1 13.17 10.92 2.25 8.54 DEGREE DAYS HEATING YESTERDAY 0 5 -5 14 MONTH TO DATE 164 134 30 117 SINCE MAR 1 1113 1361 -248 1094 SINCE JUL 1 5323 5684 -361 5032 COOLING YESTERDAY 5 2 3 0 MONTH TO DATE 34 30 4 38 SINCE MAR 1 55 41 14 51 SINCE JAN 1 55 41 14 51 ................................................................... WIND (MPH) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 15.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 12:00 AM LOWEST 58 12:00 PM AVERAGE 73 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 95 1977 MINIMUM TEMPERATURE (F) 53 36 1981 SUNRISE AND SUNSET MAY 20 2026...........SUNRISE 5:26 AM CDT SUNSET 8:09 PM CDT MAY 21 2026...........SUNRISE 5:26 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. $$