791 CDUS43 KLOT 102141 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 434 PM CDT WED OCT 10 2018 ................................... ...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 10 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 75 1248 AM 86 1962 65 10 63 MINIMUM 68 220 PM 27 1964 44 24 58 AVERAGE 72 54 18 61 PRECIPITATION (IN) TODAY 0.35 3.94 1954 0.10 0.25 0.78 MONTH TO DATE 4.00 1.00 3.00 1.55 SINCE SEP 1 7.65 4.21 3.44 1.87 SINCE JAN 1 41.88 29.34 12.54 33.61 SNOWFALL (IN) TODAY 0.0 0.0 MM 0.0 0.0 0.0 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 4 MONTH TO DATE 13 95 -82 9 SINCE SEP 1 69 200 -131 46 SINCE JUL 1 69 213 -144 51 COOLING TODAY 7 1 6 0 MONTH TO DATE 38 10 28 25 SINCE SEP 1 220 102 118 204 SINCE JAN 1 1297 842 455 987 .................................................................. WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 12.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 200 PM LOWEST 64 1200 AM AVERAGE 77 .......................................................... THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 87 1928 MINIMUM TEMPERATURE (F) 44 27 1996 1906 SUNRISE AND SUNSET OCTOBER 10 2018.......SUNRISE 658 AM CDT SUNSET 618 PM CDT OCTOBER 11 2018.......SUNRISE 700 AM CDT SUNSET 616 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$