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CXUS53 KLOT 011745
CLSORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1245 PM CDT MON JUN 01 2026

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2026 TO 5/31/2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/31/1934
 LOW             -12   03/04/1873
HIGHEST           87   05/17                          94  05/15
LOWEST            14   03/17                          18  03/02
AVG. MAXIMUM    63.1               58.8     4.3     60.7
AVG. MINIMUM    42.0               40.6     1.4     41.5
MEAN            52.6               49.7     2.9     51.1
DAYS MAX >= 90     0                1.0    -1.0        1
DAYS MAX <= 32     3                3.0     0.0        0
DAYS MIN <= 32    20               26.1    -6.1       13
DAYS MIN <= 0      0                0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       17.51   1983
 MINIMUM        2.73   1887
TOTALS         12.90              10.69    2.21     7.00
DAILY AVG.      0.14               0.12    0.02     0.08
DAYS >= .01       42               35.6     6.4       29
DAYS >= .10       24               20.7     3.3       19
DAYS >= .50        8                6.9     1.1        5
DAYS >= 1.00       4                2.3     1.7        1
GREATEST
 24 HR. TOTAL   2.43   04/14 TO 04/14               1.25

SNOWFALL (INCHES)
RECORDS
 TOTAL          29.7   1926
TOTALS           1.8                6.8    -5.0      2.8
SINCE 7/1       34.1               38.4    -4.3       MM
DAYS >= 1.0        1                2.0    -1.0        2
GREATEST
 SNOW DEPTH        1   03/16                           2  03/20
                       03/17
 24 HR TOTAL     1.3   03/15 TO 03/16                1.7

DEGREE DAYS
HEATING TOTAL   1198               1474    -276     1293
 SINCE 7/1      5558               5943    -385       MM
COOLING TOTAL     78                 70       8       34
 SINCE 1/1        78                 70       8       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    39/250    DATE  03/13
HIGHEST GUST SPEED/DIRECTION    65/250    DATE  03/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.68
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             45
NUMBER OF DAYS CLOUDY         38

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             25     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      16
LIGHT RAIN               45     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                6     SLEET                      1
FOG                      37     FOG W/VIS <= 1/4 MILE      5
HAZE                     13

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

$$