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CXUS53 KLOT 010925
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
425 AM CDT TUE SEP 01 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   08/09/1934
 LOW              43   08/29/1965
HIGHEST           91   08/31                          96  08/16
LOWEST            58   08/24                          55  08/26
AVG. MAXIMUM    81.7               82.7    -1.0     82.9
AVG. MINIMUM    67.2               66.4     0.8     67.3
MEAN            74.4               74.5    -0.1     75.1
DAYS MAX >= 90     1                4.0    -3.0        6
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.95   1987
 MINIMUM        0.71   2008
TOTALS          4.73               3.99    0.74     3.22
DAILY AVG.      0.15               0.13    0.02     0.10
DAYS >= .01       12                9.9     2.1        7
DAYS >= .10       12                6.4     5.6        6
DAYS >= .50        3                2.7     0.3        1
DAYS >= 1.00       1                1.0     0.0        1
GREATEST
 24 HR. TOTAL   1.60   07/31 TO 08/01               1.58

DEGREE DAYS
HEATING TOTAL      0                  3      -3        2
 SINCE 7/1         0                  1      -1       MM
COOLING TOTAL    300                299       1      322
 SINCE 1/1       971                956      15       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    35/270    DATE  08/11
HIGHEST GUST SPEED/DIRECTION    53/260    DATE  08/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.62
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

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