Climatological Report (Daily)
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CDUS43 KLOT 210639
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT THU MAR 21 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 20 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         44   1:36 AM  85    2012  49     -5       52
  MINIMUM         29  11:56 PM   4    1885  32     -3       30
  AVERAGE         37                        40     -3       41

PRECIPITATION (IN)
  YESTERDAY        0.00          0.96 1935   0.08  -0.08     0.00
  MONTH TO DATE    2.16                      1.54   0.62     1.40
  SINCE MAR 1      2.16                      1.54   0.62     1.40
  SINCE JAN 1      6.31                      5.50   0.81     7.83

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  1964   0.2   -0.2      0.0
  MONTH TO DATE    T                         4.4   -4.4      1.8
  SINCE MAR 1      T                         4.4   -4.4      1.8
  SINCE JUL 1     21.2                      36.0  -14.8     19.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        25      3       24
  MONTH TO DATE  385                       559   -174      560
  SINCE MAR 1    385                       559   -174      560
  SINCE JUL 1   4073                      5028   -955     4595

 COOLING
  YESTERDAY        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    22   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    12.0


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62          12:00 AM
 LOWEST     27           4:00 PM
 AVERAGE    45

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        87      2012
 MINIMUM TEMPERATURE (F)   33         9      1885
                                             1888


SUNRISE AND SUNSET
MARCH 21 2024.........SUNRISE   6:52 AM CDT   SUNSET   7:06 PM CDT
MARCH 22 2024.........SUNRISE   6:51 AM CDT   SUNSET   7:07 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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