Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
860
CDUS43 KLOT 060631
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT WED AUG 06 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 5 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         83   1:34 PM 102    1918  84     -1       91
  MINIMUM         65   5:10 AM  51    1994  66     -1       74
  AVERAGE         74                        75     -1       83

PRECIPITATION (IN)
  YESTERDAY        0.00          2.72 1924   0.14  -0.14      T
  MONTH TO DATE    0.00                      0.72  -0.72     0.51
  SINCE JUN 1      7.92                      8.53  -0.61     9.50
  SINCE JAN 1     17.42                     23.18  -5.76    24.77

SNOWFALL (IN)
  YESTERDAY        0.0           T    1932   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     13                        33    -20        6
  SINCE JUL 1      0                         2     -2        0

 COOLING
  YESTERDAY        9                        10     -1       18
  MONTH TO DATE   28                        50    -22       78
  SINCE JUN 1    717                       575    142      672
  SINCE JAN 1    751                       645    106      752
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     8.3


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           5:00 AM
 LOWEST     38           2:00 PM
 AVERAGE    68

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       101      1918
                                             1947
 MINIMUM TEMPERATURE (F)   66        48      1994


SUNRISE AND SUNSET
AUGUST  6 2025........SUNRISE   5:51 AM CDT   SUNSET   8:04 PM CDT
AUGUST  7 2025........SUNRISE   5:52 AM CDT   SUNSET   8:02 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$