Climatological Report (Daily)
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039
CDUS43 KLOT 030635
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT THU APR 03 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 2 2025...

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)
 YESTERDAY
  MAXIMUM         71   5:20 PM  82    1963  54     17       45
  MINIMUM         40   5:47 AM  18    1896  36      4       36
                                      1899
  AVERAGE         56                        45     11       41

PRECIPITATION (IN)
  YESTERDAY        1.25          1.64 1983   0.10   1.15     0.40
  MONTH TO DATE    1.25                      0.20   1.05     0.84
  SINCE MAR 1      4.24                      2.65   1.59     4.43
  SINCE JAN 1      6.74                      6.61   0.13     8.58

SNOWFALL (IN)
  YESTERDAY        0.0           9.4  1975   0.1   -0.1       T
  MONTH TO DATE    0.0                       0.2   -0.2       T
  SINCE MAR 1      2.8                       5.7   -2.9      1.0
  SINCE JUL 1     17.6                      37.3  -19.7     22.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                        20    -11       24
  MONTH TO DATE   35                        41     -6       44
  SINCE MAR 1    665                       849   -184      686
  SINCE JUL 1   4800                      5318   -518     4374

 COOLING
  YESTERDAY        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    28   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    14.4


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           1:00 PM
 LOWEST     60          11:00 PM
 AVERAGE    79

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        81      1956
 MINIMUM TEMPERATURE (F)   36        17      1879
                                             1987


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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