399
CXUS53 KLOT 011551
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
951 AM CST MON DEC 01 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             81   11/01/1950
 LOW              -2   11/24/1950
                       11/29/1872
HIGHEST           71   11/15                          68  11/04
LOWEST            18   11/30                          14  11/30
AVG. MAXIMUM    49.4               48.4     1.0     52.3
AVG. MINIMUM    35.4               34.1     1.3     40.0
MEAN            42.4               41.3     1.1     46.2
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     2                2.0     0.0        2
DAYS MIN <= 32    10               14.5    -4.5        6
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.22   1985
 MINIMUM        0.31   1904
TOTALS          2.11               2.42   -0.31     3.63
DAILY AVG.      0.07               0.08   -0.01     0.12
DAYS >= .01       10               10.0     0.0       11
DAYS >= .10        5                5.3    -0.3        7
DAYS >= .50        1                1.5    -0.5        3
DAYS >= 1.00       0                0.5    -0.5        1
GREATEST
 24 HR. TOTAL   0.69   11/29 TO 11/29               1.58

SNOWFALL (INCHES)
RECORDS
 TOTAL          14.8   1940
TOTALS          10.4                1.8     8.6      2.9
SINCE 7/1       10.4                2.0     8.4       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        2                1.0     1.0        1
GREATEST
 SNOW DEPTH        7   11/30                           0  MM
 24 HR TOTAL     8.4R  11/29 TO 11/29                2.9

DEGREE DAYS
HEATING TOTAL    673                713     -40      558
 SINCE 7/1       969               1151    -182       MM
COOLING TOTAL      0                  0       0        1
 SINCE 1/1      1215               1003     212       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  11/26
HIGHEST GUST SPEED/DIRECTION    50/250    DATE  11/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.65
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       2
LIGHT SNOW                7     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

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