904
CXUS53 KLOT 011316
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
816 AM CDT FRI MAY 01 2026

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             91   04/22/1980
                       04/30/1942
 LOW               7   04/07/1982
HIGHEST           82   04/14                          84  04/28
LOWEST            28   04/07                          25  04/08
AVG. MAXIMUM    64.0               59.0     5.0     60.0
AVG. MINIMUM    43.5               40.3     3.2     41.5
MEAN            53.8               49.7     4.1     50.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     2                6.0    -4.0        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.68   2013
 MINIMUM        0.14   1899
TOTALS          7.19               3.75    3.44     2.66
DAILY AVG.      0.24               0.12    0.12     0.09
DAYS >= .01       19               12.3     6.7       10
DAYS >= .10       13                7.1     5.9        5
DAYS >= .50        5                2.5     2.5        2
DAYS >= 1.00       2                0.8     1.2        1
GREATEST
 24 HR. TOTAL   2.43   04/14 TO 04/14               1.25

SNOWFALL (INCHES)
RECORDS
 TOTAL          13.6   1938
TOTALS           0.0                1.3    -1.3        T
SINCE 7/1       34.1               38.4    -4.3       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    346                468    -122      428
 SINCE 7/1      5355               5745    -390       MM
COOLING TOTAL     18                  8      10        8
 SINCE 1/1        19                 10       9       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.5
HIGHEST WIND SPEED/DIRECTION    36/110    DATE  04/27
HIGHEST GUST SPEED/DIRECTION    54/110    DATE  04/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.73
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             13     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      10
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

$$