650
CDUS43 KLOT 210647
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
146 AM CDT SAT SEP 21 2019
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 2019
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 429 PM 93 2018 73 11 93
MINIMUM 68 600 AM 36 1991 52 16 66
AVERAGE 76 63 13 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.33 2001 0.11 -0.11 0.00
MONTH TO DATE 2.93 2.18 0.75 3.25
SINCE SEP 1 2.93 2.18 0.75 3.25
SINCE JAN 1 34.68 27.31 7.37 37.48
SNOWFALL (IN)
YESTERDAY 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 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 2 44 -42 1
SINCE SEP 1 2 44 -42 1
SINCE JUL 1 2 57 -55 1
COOLING
YESTERDAY 11 2 9 15
MONTH TO DATE 114 78 36 168
SINCE SEP 1 114 78 36 168
SINCE JAN 1 910 818 92 1245
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 700 AM
LOWEST 55 300 PM
AVERAGE 73
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 2017
MINIMUM TEMPERATURE (F) 52 39 1991
1983
1889
SUNRISE AND SUNSET
SEPTEMBER 21 2019.....SUNRISE 638 AM CDT SUNSET 651 PM CDT
SEPTEMBER 22 2019.....SUNRISE 639 AM CDT SUNSET 649 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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