340
CDUS43 KLOT 202140
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT SAT OCT 20 2018
...............................
..THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 20 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 51 1102 AM 86 1953 61 -10 78
MINIMUM 38 1252 PM 24 1930 42 -4 51
1895
AVERAGE 45 51 -6 65
PRECIPITATION (IN)
TODAY T 1.65 1916 0.10 -0.10 0.00
MONTH TO DATE 4.20 2.00 2.20 6.73
SINCE SEP 1 7.85 5.21 2.64 7.05
SINCE JAN 1 42.08 30.34 11.74 38.79
SNOWFALL (IN)
TODAY T 3.0 1952 0.0 0.0 0.0
MONTH TO DATE T 0.1 -0.1 0.0
SINCE SEP 1 T 0.1 -0.1 0.0
SINCE JUL 1 T 0.1 -0.1 T
DEGREE DAYS
HEATING
TODAY 20 14 6 0
MONTH TO DATE 215 221 -6 58
SINCE SEP 1 271 326 -55 95
SINCE JUL 1 271 339 -68 100
COOLING
TODAY 0 0 0 0
MONTH TO DATE 31 10 21 25
SINCE SEP 1 213 102 111 204
SINCE JAN 1 1290 842 448 987
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 13.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1200 AM
LOWEST 44 1100 AM
AVERAGE 65
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THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 87 1953
MINIMUM TEMPERATURE (F) 41 26 1952
SUNRISE AND SUNSET
OCTOBER 20 2018.......SUNRISE 710 AM CDT SUNSET 602 PM CDT
OCTOBER 21 2018.......SUNRISE 711 AM CDT SUNSET 601 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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