Climatological Report (Daily)
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135
CDUS43 KLOT 120636
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT MON APR 12 2021

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 11 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   3:54 PM  90    1930  57     -1       63
  MINIMUM         45   5:03 AM  25    1882  37      8       42
                                      1973
                                      1989
  AVERAGE         51                        47      4       53

PRECIPITATION (IN)
  YESTERDAY        0.01          2.41 1871   0.12  -0.11     0.17
  MONTH TO DATE    0.63                      1.19  -0.56     0.50
  SINCE MAR 1      1.88                      3.69  -1.81     3.98
  SINCE JAN 1      5.08                      7.21  -2.13     7.55

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  2007   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.8   -0.8       T
  SINCE MAR 1      1.8                       6.4   -4.6      3.2
  SINCE JUL 1     48.8                      35.9   12.9     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       14                        18     -4       12
  MONTH TO DATE  113                       217   -104      160
  SINCE MAR 1    751                      1058   -307      840
  SINCE JUL 1   5091                      5792   -701     5226

 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    12   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           6:00 AM
 LOWEST     64           4:00 PM
 AVERAGE    77

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        86      1971
                                             1977
 MINIMUM TEMPERATURE (F)   38        21      1939
                                             1957


SUNRISE AND SUNSET
APRIL 12 2021.........SUNRISE   6:16 AM CDT   SUNSET   7:30 PM CDT
APRIL 13 2021.........SUNRISE   6:14 AM CDT   SUNSET   7:31 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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