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000
CXUS53 KLOT 011640
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1040 AM CST THU FEB 01 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             67   01/25/1950
 LOW             -27   01/20/1985
HIGHEST           41   01/27                          57  01/11
                       01/30
LOWEST           -10   01/14                          -1  01/31
                       01/15
AVG. MAXIMUM    30.7               31.6    -0.9     37.5
AVG. MINIMUM    21.8               18.8     3.0     27.1
MEAN            26.3               25.2     1.1     32.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     9               17.0    -8.0        9
DAYS MIN <= 32    22               28.1    -6.1       21
DAYS MIN <= 0      3                3.5    -0.5        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.84   1916
 MINIMUM        0.10   1981
TOTALS          3.50               1.99    1.51     2.60
DAILY AVG.      0.11               0.06    0.05     0.08
DAYS >= .01       17               11.0     6.0       14
DAYS >= .10        7                5.2     1.8        8
DAYS >= .50        2                1.1     0.9        1
DAYS >= 1.00       0                0.1    -0.1        1
GREATEST
 24 HR. TOTAL   1.00   01/08 TO 01/09               1.12

SNOWFALL (INCHES)
RECORDS
 TOTAL          42.5   1918
TOTALS          16.1               11.3     4.8      9.9
SINCE 7/1       20.0               20.9    -0.9       MM
SNOWDEPTH AVG.     2                                   1
DAYS >= 1.0        5                4.0     1.0        3
GREATEST
 SNOW DEPTH        5   01/13                           3  01/29
                       01/19
                                                          01/30
                                                          01/31
 24 HR TOTAL     5.7   01/12 TO 01/13                3.6

DEGREE DAYS
HEATING TOTAL   1193               1234     -41     1005
 SINCE 7/1      2955               3448    -493       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    37/090    DATE  01/12
HIGHEST GUST SPEED/DIRECTION    55/090    DATE  01/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.86
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         24

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       1
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               16     SLEET                      4
FOG                      22     FOG W/VIS <= 1/4 MILE      5
HAZE                      6

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

$$