Climatological Report (Daily)
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000
CDUS43 KLOT 182133
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT MON MAR 18 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 18 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         36   2:39 PM  81    2012  48    -12       25
  MINIMUM         24   6:12 AM   3    1923  32     -8       12
  AVERAGE         30                        40    -10       19

PRECIPITATION (IN)
  TODAY            T             1.33 1983   0.08  -0.08      T
  MONTH TO DATE    2.16                      1.38   0.78     1.40
  SINCE MAR 1      2.16                      1.38   0.78     1.40
  SINCE JAN 1      6.31                      5.34   0.97     7.83

SNOWFALL (IN)
  TODAY            T             4.5  1971   0.2   -0.2       T
  MONTH TO DATE    T                         4.1   -4.1      1.8
  SINCE MAR 1      T                         4.1   -4.1      1.8
  SINCE JUL 1     21.2                      35.7  -14.5     19.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           35                        25     10       46
  MONTH TO DATE  337                       509   -172      501
  SINCE MAR 1    337                       509   -172      501
  SINCE JUL 1   4025                      4978   -953     4536

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


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    12.2


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    61           9:00 AM
 LOWEST     45           3:00 PM
 AVERAGE    53

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        78      1921
                                             2012
 MINIMUM TEMPERATURE (F)   32         0      1923


SUNRISE AND SUNSET
MARCH 18 2024.........SUNRISE   6:57 AM CDT   SUNSET   7:02 PM CDT
MARCH 19 2024.........SUNRISE   6:56 AM CDT   SUNSET   7:03 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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