Climatological Report (Daily)
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800
CDUS43 KLOT 300641
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT TUE APR 30 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 29 2024...

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)
 YESTERDAY
  MAXIMUM         70  12:26 AM  88    1899  64      6       59
                                      1970
  MINIMUM         54  11:59 PM  31    1958  45      9       43
                                      2008
                                      2018
  AVERAGE         62                        55      7       51

PRECIPITATION (IN)
  YESTERDAY        0.66          2.75 1909   0.15   0.51     0.17
  MONTH TO DATE    3.47                      3.60  -0.13     1.90
  SINCE MAR 1      7.06                      6.05   1.01     5.70
  SINCE JAN 1     11.21                     10.01   1.20    12.13

SNOWFALL (IN)
  YESTERDAY        0.0           T    1909   0.0    0.0      0.0
                                      1950
                                      2014
  MONTH TO DATE    T                         1.3   -1.3      0.5
  SINCE MAR 1      1.0                       6.8   -5.8      2.3
  SINCE JUL 1     22.2                      38.4  -16.2     20.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        3                        11     -8       14
  MONTH TO DATE  368                       458    -90      395
  SINCE MAR 1   1010                      1266   -256     1197
  SINCE JUL 1   4698                      5735  -1037     5232

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    9                         0      9       25
  SINCE MAR 1      9                         2      7       25
  SINCE JAN 1      9                         2      7       25
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    10.4


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           1:00 AM
 LOWEST     57           7:00 PM
 AVERAGE    77

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        91      1942
 MINIMUM TEMPERATURE (F)   45        30      1873


SUNRISE AND SUNSET
APRIL 30 2024.........SUNRISE   5:48 AM CDT   SUNSET   7:50 PM CDT
MAY  1 2024...........SUNRISE   5:47 AM CDT   SUNSET   7:51 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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