Climatological Report (Daily)
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CDUS43 KLOT 042140
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT THU APR 04 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 4 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         45   1:54 PM  79    1921  54     -9       69
                                      1929
  MINIMUM         36   9:59 AM  16    1975  37     -1       44
  AVERAGE         41                        46     -5       57

PRECIPITATION (IN)
  TODAY            0.06          1.90 1947   0.11  -0.05     0.77
  MONTH TO DATE    1.20                      0.42   0.78     0.92
  SINCE MAR 1      4.79                      2.87   1.92     4.72
  SINCE JAN 1      8.94                      6.83   2.11    11.15

SNOWFALL (IN)
  TODAY            T             6.4  1920   0.1   -0.1       T
  MONTH TO DATE    T                         0.4   -0.4       T
  SINCE MAR 1      1.0                       5.9   -4.9      1.8
  SINCE JUL 1     22.2                      37.5  -15.3     19.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           24                        20      4        8
  MONTH TO DATE   96                        81     15       66
  SINCE MAR 1    738                       889   -151      868
  SINCE JUL 1   4426                      5358   -932     4903

 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    23   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    14.5


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           9:00 AM
 LOWEST     78           8:00 AM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        85      1988
 MINIMUM TEMPERATURE (F)   37        18      1979
                                             1995


SUNRISE AND SUNSET
APRIL  4 2024.........SUNRISE   6:28 AM CDT   SUNSET   7:21 PM CDT
APRIL  5 2024.........SUNRISE   6:27 AM CDT   SUNSET   7:22 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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