948
CXUS53 KLOT 011636
CLMPWK

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

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             69   12/03/2012
                       12/05/2001
 LOW              -8   12/23/2022
                       12/19/2016
                       12/22/2000
HIGHEST           54   12/08                          57  12/25
LOWEST             4   12/12                          17  12/19
                       12/13
AVG. MAXIMUM    38.6               36.9     1.7     44.4
AVG. MINIMUM    25.4               24.0     1.4     32.3
MEAN            32.0               30.4     1.6     38.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     9               10.0    -1.0        0
DAYS MIN <= 32    22               25.5    -3.5       17
DAYS MIN <= 0      0                1.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.30   2008
 MINIMUM        0.27   2017
TOTALS          1.33               1.64   -0.31     2.33
DAILY AVG.      0.04               0.05   -0.01     0.08
DAYS >= .01       10                8.4     1.6       10
DAYS >= .10        4                4.1    -0.1        6
DAYS >= .50        0                1.3    -1.3        1
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.49   12/31 TO 12/31               0.58


DEGREE DAYS
HEATING TOTAL   1016               1071     -55      817
 SINCE 7/1      1854               2251    -397       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1030                933      97       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    35/310    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    50/310    DATE  12/04

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

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