996
CXUS53 KLOT 011644
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1044 AM CST SUN NOV 01 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             94   10/06/1963
 LOW              20   10/24/1981
                       10/18/1948
                       10/20/1930
HIGHEST           88   10/12                          90  10/03
LOWEST            40   10/17                          35  10/24
AVG. MAXIMUM    70.3               63.4     6.9     66.6
AVG. MINIMUM    52.6               46.5     6.1     51.8
MEAN            61.4               54.9     6.5     59.2
DAYS MAX >= 90     0                0.0     0.0        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.9    -0.9        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       12.06   1954
 MINIMUM        0.20   1964
TOTALS          2.14               3.48   -1.34     2.78
DAILY AVG.      0.07               0.11   -0.04     0.09
DAYS >= .01        7               11.5    -4.5        7
DAYS >= .10        3                6.3    -3.3        5
DAYS >= .50        1                2.2    -1.2        3
DAYS >= 1.00       1                1.0     0.0        1
GREATEST
 24 HR. TOTAL   1.40   10/01 TO 10/02               1.41


DEGREE DAYS
HEATING TOTAL    140                332    -192      237
 SINCE 7/1       167                393    -226       MM
COOLING TOTAL     37                 20      17       65
 SINCE 1/1      1212               1112     100       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    29/350    DATE  10/16
HIGHEST GUST SPEED/DIRECTION    42/010    DATE  10/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.46
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$