Climatological Report (Seasonal)
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824
CXUS53 KLOT 011755 CCC
CLSORD

CLIMATE REPORT...COR ADD RECORDS
NATIONAL WEATHER SERVICE CHICAGO IL
1141 AM CDT SUN SEP 01 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2024 TO 8/31/2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024

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              35   06/04/1945
HIGHEST           99   08/27                         100  08/24
LOWEST            50   06/11                          49  06/12
AVG. MAXIMUM    83.7               82.5     1.2     83.0
AVG. MINIMUM    65.5               64.1     1.4     64.1
MEAN            74.6               73.3     1.3     73.6
DAYS MAX >= 90    19               14.0     5.0       16
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       23.48   1987
 MINIMUM        3.16   1894
TOTALS         11.59              12.06   -0.47    11.30
DAILY AVG.      0.12               0.13   -0.01     0.12
DAYS >= .01       33               30.2     2.8       26
DAYS >= .10       22               19.0     3.0       17
DAYS >= .50        8                7.9     0.1        7
DAYS >= 1.00       3                3.3    -0.3        2
GREATEST
 24 HR. TOTAL   3.14   07/13 TO 07/14               3.79

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS             T                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0      0.0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL       T   06/25 TO 06/25                0.0

DEGREE DAYS
HEATING TOTAL      6                 37     -31       27
 SINCE 7/1         0                  2      -2        2
COOLING TOTAL    906                802     104      841
 SINCE 1/1       986                872     114      934
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    43/290    DATE  07/15
HIGHEST GUST SPEED/DIRECTION    75/260    DATE  06/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.57
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             56
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             21     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      14
LIGHT RAIN               42     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      35     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

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

RECORDS SET OR TIED DURING METEOROLOGICAL SUMMER 2024:
- RECORD DAILY HIGH TEMPERATURE OF 97 DEGREES ON JUNE 17TH.
- RECORD DAILY HIGH MINIMUM TEMPERATURE OF 78 DEGREES ON JUN 18TH.
- TIED RECORD 10TH WARMEST JUNE AT 73.9 DEGREES.
- RECORD DAILY RAINFALL OF 1.60 INCHES ON JULY 13TH.
- TIED RECORD DAILY HIGH MINIMUM TEMPERATURE OF 74 DEGREES ON AUG 25TH.
- RECORD DAILY HIGH MINIMUM TEMPERATURE OF 79 DEGREES ON AUG 26TH.
- RECORD DAILY HIGH TEMPERATURE OF 99 DEGREES ON AUG 27TH.

$$