901
CXUS53 KLOT 011316
CLMMDW

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

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             92   04/30/1942
 LOW              10   04/07/1982
HIGHEST           82   04/14                          85  04/28
                       04/17
                       04/23
LOWEST            30   04/07                          27  04/08
AVG. MAXIMUM    64.4               59.9     4.5     61.1
AVG. MINIMUM    44.6               41.4     3.2     43.4
MEAN            54.5               50.6     3.9     52.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                3.3    -2.3        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.33   1947
 MINIMUM        0.45   1971
TOTALS          5.63               3.57    2.06     3.19
DAILY AVG.      0.19               0.12    0.07     0.11
DAYS >= .01       20               11.5     8.5       13
DAYS >= .10       10                6.9     3.1        7
DAYS >= .50        4                2.5     1.5        1
DAYS >= 1.00       2                0.9     1.1        1
GREATEST
 24 HR. TOTAL   1.06   04/27 TO 04/27               1.67


DEGREE DAYS
HEATING TOTAL    327                439    -112      388
 SINCE 7/1      5159               5551    -392       MM
COOLING TOTAL     19                  9      10       13
 SINCE 1/1        21                 11      10       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.8
HIGHEST WIND SPEED/DIRECTION    41/250    DATE  04/02
HIGHEST GUST SPEED/DIRECTION    69/270    DATE  04/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.73
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

$$