195
CXUS53 KLOT 011636
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1036 AM CST WED JAN 01 2025

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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             72   12/03/2012
 LOW             -20   12/24/1983
HIGHEST           57   12/08                          60  12/25
LOWEST             5   12/12                          18  12/19
AVG. MAXIMUM    39.8               37.6     2.2     45.7
AVG. MINIMUM    27.4               25.0     2.4     35.1
MEAN            33.6               31.3     2.3     40.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     7                9.9    -2.9        0
DAYS MIN <= 32    17               23.7    -6.7       13
DAYS MIN <= 0      0                0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.21   1982
 MINIMUM        0.17   2017
TOTALS          1.93               1.79    0.14     2.67
DAILY AVG.      0.06               0.06    0.00     0.09
DAYS >= .01       10                9.5     0.5       10
DAYS >= .10        4                4.3    -0.3        7
DAYS >= .50        2                1.1     0.9        1
DAYS >= 1.00       0                0.4    -0.4        0
GREATEST
 24 HR. TOTAL   0.88   12/29 TO 12/29               0.72


DEGREE DAYS
HEATING TOTAL    968               1044     -76      755
 SINCE 7/1      1674               2128    -454       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1384               1112     272       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    38/300    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    58/310    DATE  12/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.75
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                6     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.

$$