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CXUS53 KLOT 021605 CCA
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
554 AM CST THU JAN 01 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             72   12/03/2012
 LOW             -20   12/24/1983
HIGHEST           59   12/28                          57  12/08
LOWEST            -1   12/14                           5  12/12
AVG. MAXIMUM    35.1               37.6    -2.5     39.8
AVG. MINIMUM    20.6               25.0    -4.4     27.4
MEAN            27.9               31.3    -3.4     33.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    14                9.9     4.1        7
DAYS MIN <= 32    26               23.7     2.3       17
DAYS MIN <= 0      1                0.9     0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.21   1982
 MINIMUM        0.17   2017
TOTALS          1.81               1.79    0.02     1.93
DAILY AVG.      0.06               0.06    0.00     0.06
DAYS >= .01        7                9.5    -2.5       10
DAYS >= .10        4                4.3    -0.3        4
DAYS >= .50        1                1.1    -0.1        2
DAYS >= 1.00       1                0.4     0.6        0
GREATEST
 24 HR. TOTAL   1.15   12/28 TO 12/28               0.88


DEGREE DAYS
HEATING TOTAL   1142               1044      98      968
 SINCE 7/1      2051               2128     -77       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1410               1112     298       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  12/28
HIGHEST GUST SPEED/DIRECTION    52/200    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.78
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               18     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

$$