Climatological Report (Daily)
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957
CDUS43 KLOT 032133
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT THU APR 03 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 3 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         56  12:07 AM  81    1956  54      2       39
  MINIMUM         45  12:17 PM  17    1879  36      9       34
                                      1987
  AVERAGE         51                        45      6       37

PRECIPITATION (IN)
  TODAY            0.00          0.93 1974   0.11  -0.11     0.30
  MONTH TO DATE    1.25                      0.31   0.94     1.14
  SINCE MAR 1      4.24                      2.76   1.48     4.73
  SINCE JAN 1      6.74                      6.72   0.02     8.88

SNOWFALL (IN)
  TODAY            0.0           2.7  1984   0.1   -0.1       T
  MONTH TO DATE    0.0                       0.3   -0.3       T
  SINCE MAR 1      2.8                       5.8   -3.0      1.0
  SINCE JUL 1     17.6                      37.4  -19.8     22.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           14                        20     -6       28
  MONTH TO DATE   49                        61    -12       72
  SINCE MAR 1    679                       869   -190      714
  SINCE JUL 1   4814                      5338   -524     4402

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         2     -2        0
  SINCE JAN 1      0                         2     -2        0
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    17.0


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           5:00 AM
 LOWEST     58          11:00 AM
 AVERAGE    68

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        79      1921
                                             1929
 MINIMUM TEMPERATURE (F)   37        16      1975


SUNRISE AND SUNSET
APRIL  3 2025.........SUNRISE   6:30 AM CDT   SUNSET   7:20 PM CDT
APRIL  4 2025.........SUNRISE   6:29 AM CDT   SUNSET   7:21 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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