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Climatological Report (Daily)
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891 CDUS43 KLOT 182147 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 446 PM CDT WED APR 18 2018 ................................... ...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 18 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 37 1011 AM 89 2002 60 -23 76 MINIMUM 30 447 AM 23 1983 40 -10 41 1875 AVERAGE 34 50 -16 59 PRECIPITATION (IN) TODAY 0.01 3.83 1975 0.11 -0.10 0.00 MONTH TO DATE 2.29 1.98 0.31 2.79 SINCE MAR 1 4.03 4.48 -0.45 6.80 SINCE JAN 1 10.21 8.00 2.21 11.19 SNOWFALL (IN) TODAY T 0.6 2011 0.1 -0.1 0.0 MONTH TO DATE 2.7 1.1 1.6 0.0 SINCE MAR 1 5.3 6.7 -1.4 7.8 SINCE JUL 1 35.6 36.2 -0.6 26.1 DEGREE DAYS HEATING TODAY 31 16 15 6 MONTH TO DATE 516 334 182 208 SINCE MAR 1 1383 1175 208 993 SINCE JUL 1 5841 5909 -68 4918 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 9 SINCE MAR 1 0 1 -1 9 SINCE JAN 1 0 1 -1 9 .................................................................. WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 10.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN SLEET FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 78 300 AM LOWEST 64 1000 AM AVERAGE 71 .......................................................... THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 86 1985 MINIMUM TEMPERATURE (F) 40 22 1983 SUNRISE AND SUNSET APRIL 18 2018.........SUNRISE 606 AM CDT SUNSET 736 PM CDT APRIL 19 2018.........SUNRISE 605 AM CDT SUNSET 737 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$
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