Climatological Report (Daily)
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595
CDUS43 KLOT 140650
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT WED MAY 14 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 13 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         78   2:26 PM  89    1956  70      8       81
                                      1991
                                      2022
  MINIMUM         58  11:59 PM  34    1888  50      8       62
                                      1996
  AVERAGE         68                        60      8       72

PRECIPITATION (IN)
  YESTERDAY        0.00          1.49 2010   0.16  -0.16     0.12
  MONTH TO DATE    0.33                      1.93  -1.60     2.54
  SINCE MAR 1      5.98                      8.13  -2.15     9.60
  SINCE JAN 1      8.48                     12.09  -3.61    13.75

SNOWFALL (IN)
  YESTERDAY        0.0           T    1895   0.0    0.0      0.0
                                      1953
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      2.8                       6.8   -4.0      1.0
  SINCE JUL 1     17.6                      38.4  -20.8     22.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         7     -7        0
  MONTH TO DATE  106                       110     -4       40
  SINCE MAR 1   1164                      1386   -222     1053
  SINCE JUL 1   5299                      5855   -556     4741

 COOLING
  YESTERDAY        3                         2      1        7
  MONTH TO DATE    3                        14    -11       16
  SINCE MAR 1     11                        24    -13       25
  SINCE JAN 1     11                        24    -13       25
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.5


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           4:00 AM
 LOWEST     56           2:00 PM
 AVERAGE    73

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      1982
 MINIMUM TEMPERATURE (F)   50        32      1895


SUNRISE AND SUNSET
MAY 14 2025...........SUNRISE   5:32 AM CDT   SUNSET   8:05 PM CDT
MAY 15 2025...........SUNRISE   5:31 AM CDT   SUNSET   8:06 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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