Climatological Report (Daily) Issued by NWS
282
CDUS43 KLOT 160633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI APR 16 2021
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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 15 2021...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1871 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 1:31 PM 88 2002 59 -3 40
MINIMUM 39 2:21 AM 25 1943 39 0 27
AVERAGE 48 49 -1 34
PRECIPITATION (IN)
YESTERDAY 0.00 1.74 1884 0.12 -0.12 0.10
MONTH TO DATE 0.63 1.64 -1.01 0.75
SINCE MAR 1 1.88 4.14 -2.26 4.23
SINCE JAN 1 5.08 7.66 -2.58 7.80
SNOWFALL (IN)
YESTERDAY 0.0 1.7 2020 0.1 -0.1 1.7
MONTH TO DATE 0.0 1.0 -1.0 1.7
SINCE MAR 1 1.8 6.6 -4.8 4.9
SINCE JUL 1 48.8 36.1 12.7 31.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 17 0 31
MONTH TO DATE 178 286 -108 247
SINCE MAR 1 816 1127 -311 927
SINCE JUL 1 5156 5861 -705 5313
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 14 0 14 1
SINCE MAR 1 14 1 13 1
SINCE JAN 1 14 1 13 1
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.0
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 70 7:00 AM
LOWEST 43 1:00 PM
AVERAGE 57
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 87 2002
MINIMUM TEMPERATURE (F) 39 18 1875
SUNRISE AND SUNSET
APRIL 16 2021.........SUNRISE 6:09 AM CDT SUNSET 7:34 PM CDT
APRIL 17 2021.........SUNRISE 6:08 AM CDT SUNSET 7:35 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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