Climatological Report (Daily)
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282
CDUS43 KLOT 160633
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI APR 16 2021

...................................

...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
...................................................................


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

..........................................................


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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