023 CDUS43 KLOT 092136 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 436 PM CDT TUE OCT 9 2018 ................................... ...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 9 2018... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2018 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) TODAY MAXIMUM 85 212 PM 86 2010 65 20 81 1949 MINIMUM 70 610 AM 30 2000 45 25 52 AVERAGE 78 55 23 67 PRECIPITATION (IN) TODAY 0.00 2.27 1954 0.11 -0.11 0.00 MONTH TO DATE 3.64 0.90 2.74 0.77 SINCE SEP 1 7.29 4.11 3.18 1.09 SINCE JAN 1 41.52 29.24 12.28 32.83 SNOWFALL (IN) TODAY 0.0 T 1925 0.0 0.0 0.0 1906 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 T DEGREE DAYS HEATING TODAY 0 11 -11 0 MONTH TO DATE 13 84 -71 5 SINCE SEP 1 69 189 -120 42 SINCE JUL 1 69 202 -133 47 COOLING TODAY 13 1 12 2 MONTH TO DATE 31 9 22 25 SINCE SEP 1 213 101 112 204 SINCE JAN 1 1290 841 449 987 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 10.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 600 AM LOWEST 51 200 PM AVERAGE 71 .......................................................... THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 86 1962 MINIMUM TEMPERATURE (F) 44 27 1964 SUNRISE AND SUNSET OCTOBER 9 2018.......SUNRISE 657 AM CDT SUNSET 620 PM CDT OCTOBER 10 2018.......SUNRISE 658 AM CDT SUNSET 618 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$