Climatological Report (Annual)
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000
CXUS53 KLOT 011738
CLAORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1138 AM CST SUN JAN 01 2023

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE YEAR OF 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            105   07/24/1934
 LOW             -27   01/20/1985
HIGHEST           99   06/21                          95  08/24
LOWEST            -8   12/23                          -7  02/07
AVG. MAXIMUM    59.7               59.5     0.2     61.5
AVG. MINIMUM    42.8               43.0    -0.2     45.1
MEAN            51.3               51.2     0.1     53.3
DAYS MAX >= 90    16               16.7    -0.7       22
DAYS MAX <= 32    46               43.4     2.6       31
DAYS MIN <= 32   110              121.3   -11.3      107
DAYS MIN <= 0      6                6.5    -0.5        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       50.86   2008
 MINIMUM       22.22   1962
TOTALS         31.99              37.86   -5.87    30.15
DAILY AVG.      0.09               0.10   -0.01     0.08
DAYS >= .01      114              125.8   -11.8      118
DAYS >= .10       65               71.6    -6.6       61
DAYS >= .50       18               23.8    -5.8       16
DAYS >= 1.00       6                8.3    -2.3        6
GREATEST
 24 HR. TOTAL   1.79   07/23 TO 07/24               1.91

SNOWFALL (INCHES)
RECORDS
 TOTAL          95.3   1978
TOTALS          35.2               38.4    -3.2     47.2
SINCE 7/1        4.3                9.6    -5.3      1.9
DAYS >= 1.0       12               11.4     0.6       13
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   6044               5974      70     5415
 SINCE 7/1      2166               2220     -54     1799
COOLING TOTAL   1174               1003     171     1316
 SINCE 1/1      1174               1003     171     1316
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    55/030    DATE  06/13
HIGHEST GUST SPEED/DIRECTION    84/020    DATE  06/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR           68
NUMBER OF DAYS PC            148
NUMBER OF DAYS CLOUDY        149

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             39     MIXED PRECIP               2
HEAVY RAIN               39     RAIN                      45
LIGHT RAIN              122     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       3
HEAVY SNOW                2     SNOW                       9
LIGHT SNOW               62     SLEET                      4
FOG                     130     FOG W/VIS <= 1/4 MILE      4
HAZE                     48

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

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