Climatological Report (Daily)
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660
CDUS43 KLOT 290640
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT MON APR 29 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 28 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         75   1:44 PM  86    1915  64     11       63
  MINIMUM         59  10:13 AM  28    1992  45     14       45
  AVERAGE         67                        54     13       54

PRECIPITATION (IN)
  YESTERDAY        0.36          2.04 1981   0.15   0.21     0.00
  MONTH TO DATE    2.81                      3.45  -0.64     1.73
  SINCE MAR 1      6.40                      5.90   0.50     5.53
  SINCE JAN 1     10.55                      9.86   0.69    11.96

SNOWFALL (IN)
  YESTERDAY        0.0           T    1950   0.0    0.0      0.0
                                      1961
                                      2008
  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        0                        11    -11       11
  MONTH TO DATE  365                       447    -82      381
  SINCE MAR 1   1007                      1255   -248     1183
  SINCE JUL 1   4695                      5724  -1029     5218

 COOLING
  YESTERDAY        2                         0      2        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    30   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.9


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           5:00 AM
 LOWEST     60           2:00 PM
 AVERAGE    79

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        88      1899
                                             1970
 MINIMUM TEMPERATURE (F)   45        31      1958
                                             2008
                                             2018


SUNRISE AND SUNSET
APRIL 29 2024.........SUNRISE   5:50 AM CDT   SUNSET   7:49 PM CDT
APRIL 30 2024.........SUNRISE   5:48 AM CDT   SUNSET   7:50 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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