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000
CXUS53 KLOT 011509
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1009 AM CDT TUE AUG 01 2023

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JULY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            105   07/24/1934
 LOW              45   07/07/1983
HIGHEST           93   07/28                          94  07/05
LOWEST            61   07/09                          59  07/10
AVG. MAXIMUM    84.6               84.5     0.1     83.5
AVG. MINIMUM    66.7               66.4     0.3     67.0
MEAN            75.7               75.4     0.3     75.3
DAYS MAX >= 90     7                6.5     0.5        4
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       11.15   2011
 MINIMUM        0.22   1936
TOTALS          7.61               3.71    3.90     4.50
DAILY AVG.      0.25               0.12    0.13     0.15
DAYS >= .01       14                9.7     4.3        8
DAYS >= .10       10                5.8     4.2        6
DAYS >= .50        3                2.4     0.6        4
DAYS >= 1.00       2                0.9     1.1        1
GREATEST
 24 HR. TOTAL   3.79   07/01 TO 07/02               1.79

DEGREE DAYS
HEATING TOTAL      0                  2      -2        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    337                326      11      325
 SINCE 1/1       635                595      40       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  07/28
HIGHEST GUST SPEED/DIRECTION    58/270    DATE  07/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      10
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      0
HAZE                      8

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

$$