Climatological Report (Seasonal)
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CXUS53 KLOT 011526
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
923 AM CST SUN MAR 1 2020

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2019 TO 2/29/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              75   02/27/1976
 LOW              -27   01/20/1985
HIGHEST            61   12/26        MM      MM       53
LOWEST             -2   02/14        MM      MM      -23
AVG. MAXIMUM     38.1              33.6     4.5     33.7
AVG. MINIMUM     24.7              19.1     5.6     19.7
MEAN             31.4              26.4     5.0     26.7
DAYS MAX >= 90      0
DAYS MAX <= 32     21
DAYS MIN <= 32     76
DAYS MIN <= 0       1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.79   1950
 MINIMUM         1.60   1931
TOTALS           5.12              5.77   -0.65
DAYS >= .01        26
DAYS >= .10        14
DAYS >= .50         2
DAYS >= 1.00        0

SNOWFALL (INCHES)
TOTALS           18.6              28.1    -9.5     28.6

DEGREE_DAYS
HEATING TOTAL    3033              3477    -444
 SINCE 7/1         MM              4767      MM
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    39/020    DATE  01/11
HIGHEST GUST SPEED/DIRECTION    52/010    DATE  01/11


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       5
LIGHT RAIN               17     FREEZING RAIN              1
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                1     SNOW                      11
LIGHT SNOW               40     SLEET                      1
FOG                      44     FOG W/VIS <= 1/4 MILE      5
HAZE                     16

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

$$




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