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000
CXUS53 KLOT 011610
CLSORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1010 AM CST TUE MAR 01 2022

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2021 TO 2/28/2022...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2022

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             75   02/27/1976
 LOW             -27   01/20/1985
HIGHEST           66   12/15                          58  12/23
                       12/16
LOWEST            -6   01/26                          -7  02/07
AVG. MAXIMUM    36.6               34.6     2.0     33.5
AVG. MINIMUM    20.8               21.6    -0.8     21.3
MEAN            28.7               28.1     0.6     27.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    33               38.1    -5.1       33
DAYS MIN <= 32    80               77.9     2.1       80
DAYS MIN <= 0      3                6.4    -3.4        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.79   1950
 MINIMUM        1.60   1931
TOTALS          5.73               6.07   -0.34     5.75
DAILY AVG.      0.06               0.07   -0.01     0.06
DAYS >= .01       29               31.0    -2.0       32
DAYS >= .10       13               14.7    -1.7       14
DAYS >= .50        3                3.3    -0.3        3
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   1.02   02/16 TO 02/17               0.85

SNOWFALL (INCHES)
RECORDS
 TOTAL          80.6   1979
TOTALS          28.6               29.6    -1.0     46.3
SINCE 7/1       28.6               31.6    -3.0     47.0
DAYS >= 1.0        9                8.9     0.1       12
GREATEST
 SNOW DEPTH        6   01/29                          21  02/16
                       02/03
 24 HR TOTAL     5.6   02/01 TO 02/02                6.3

DEGREE DAYS
HEATING TOTAL   3249               3318     -69     3341
 SINCE 7/1      4217               4470    -253     4340
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    41/240    DATE  12/11
                                41/200          12/15
HIGHEST GUST SPEED/DIRECTION    66/200    DATE  12/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.67
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             37
NUMBER OF DAYS CLOUDY         41

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       6
LIGHT RAIN               26     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               38     SLEET                      1
FOG                      38     FOG W/VIS <= 1/4 MILE      2
HAZE                     16

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

$$