Climatological Report (Monthly)
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700
CXUS53 KLOT 011705
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1205 PM CDT FRI NOV 01 2024

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2024

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           86   10/05                          87  10/03
LOWEST            38   10/16                          29  10/31
                       10/17
AVG. MAXIMUM    70.6               63.4     7.2     63.9
AVG. MINIMUM    50.4               46.5     3.9     48.7
MEAN            60.5               54.9     5.6     56.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.9    -0.9        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       12.06   1954
 MINIMUM        0.20   1964
TOTALS          1.22               3.48   -2.26     2.75
DAILY AVG.      0.04               0.11   -0.07     0.09
DAYS >= .01        6               11.5    -5.5       14
DAYS >= .10        2                6.3    -4.3        8
DAYS >= .50        1                2.2    -1.2        0
DAYS >= 1.00       0                1.0    -1.0        0
GREATEST
 24 HR. TOTAL   0.70   10/24 TO 10/25               0.89


DEGREE DAYS
HEATING TOTAL    172                332    -160      313
 SINCE 7/1       182                393    -211       MM
COOLING TOTAL     40                 20      20       50
 SINCE 1/1      1382               1112     270       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    32/290    DATE  10/13
                                32/280          10/31
HIGHEST GUST SPEED/DIRECTION    50/270    DATE  10/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.39
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$