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042
CDUS43 KLOT 010635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST THU FEB 1 2018
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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 31 2018...
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)
YESTERDAY
MAXIMUM 42 257 PM 65 1989 32 10 39
MINIMUM 31 225 AM -12 1985 17 14 35
1899
AVERAGE 37 24 13 37
PRECIPITATION (IN)
YESTERDAY 0.00 1.52 1914 0.05 -0.05 0.03
MONTH TO DATE 1.54 1.73 -0.19 2.87
SINCE DEC 1 2.13 3.98 -1.85 4.64
SINCE JAN 1 1.54 1.73 -0.19 2.87
SNOWFALL (IN)
YESTERDAY 0.0 9.5 1914 0.4 -0.4 0.0
MONTH TO DATE 4.6 10.8 -6.2 0.6
SINCE DEC 1 9.9 19.0 -9.1 18.3
SINCE JUL 1 10.0 20.4 -10.4 18.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 41 -13 28
MONTH TO DATE 1245 1279 -34 1117
SINCE DEC 1 2410 2434 -24 2348
SINCE JUL 1 3453 3690 -237 3177
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 13.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 800 PM
LOWEST 45 1100 AM
AVERAGE 58
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 56 1968
MINIMUM TEMPERATURE (F) 17 -14 1985
SUNRISE AND SUNSET
FEBRUARY 1 2018......SUNRISE 704 AM CST SUNSET 507 PM CST
FEBRUARY 2 2018......SUNRISE 703 AM CST SUNSET 508 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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