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330
CDUS43 KLOT 190653
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
153 AM CDT WED APR 19 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 18 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 453 PM 89 2002 60 16 83
MINIMUM 41 539 AM 23 1983 40 1 49
1875
AVERAGE 59 50 9 66
PRECIPITATION (IN)
YESTERDAY 0.00 3.83 1975 0.11 -0.11 0.00
MONTH TO DATE 2.79 1.98 0.81 0.69
SINCE MAR 1 6.80 4.48 2.32 4.03
SINCE JAN 1 11.19 8.00 3.19 6.10
SNOWFALL (IN)
YESTERDAY 0.0 0.6 2011 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.1 -1.1 1.1
SINCE MAR 1 7.8 6.7 1.1 3.7
SINCE JUL 1 26.1 36.2 -10.1 31.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 16 -10 0
MONTH TO DATE 208 334 -126 370
SINCE MAR 1 993 1175 -182 1035
SINCE JUL 1 4918 5909 -991 5043
COOLING
YESTERDAY 0 0 0 1
MONTH TO DATE 9 0 9 1
SINCE MAR 1 9 1 8 1
SINCE JAN 1 9 1 8 1
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.5
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 89 600 AM
LOWEST 25 200 PM
AVERAGE 57
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 86 1985
MINIMUM TEMPERATURE (F) 40 22 1983
SUNRISE AND SUNSET
APRIL 19 2017.........SUNRISE 605 AM CDT SUNSET 737 PM CDT
APRIL 20 2017.........SUNRISE 603 AM CDT SUNSET 739 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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