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000
CXUS53 KLOT 011541
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1041 AM CDT WED NOV 01 2023

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023

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           87   10/03                          82  10/22
LOWEST            29   10/31                          34  10/20
AVG. MAXIMUM    63.9               63.4     0.5     65.8
AVG. MINIMUM    48.7               46.5     2.2     46.8
MEAN            56.3               54.9     1.4     56.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     2                0.9     1.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       12.06   1954
 MINIMUM        0.20   1964
TOTALS          2.75               3.48   -0.73     2.12
DAILY AVG.      0.09               0.11   -0.02     0.07
DAYS >= .01       14               11.5     2.5        9
DAYS >= .10        8                6.3     1.7        4
DAYS >= .50        0                2.2    -2.2        2
DAYS >= 1.00       0                1.0    -1.0        0
GREATEST
 24 HR. TOTAL   0.89   10/13 TO 10/14               0.94


DEGREE DAYS
HEATING TOTAL    313                332     -19      281
 SINCE 7/1       329                393     -64       MM
COOLING TOTAL     50                 20      30       21
 SINCE 1/1      1149               1112      37       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    29/060    DATE  10/14
                                29/330          10/21
HIGHEST GUST SPEED/DIRECTION    39/200    DATE  10/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.65
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$