Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KLOT 011330
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
717 AM CST FRI MAR 1 2019

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2018 TO 2/28/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019

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            53   02/23        MM      MM       66
                        01/07
                        12/28
LOWEST            -23   01/30        MM      MM       -9
AVG. MAXIMUM     33.7              33.6     0.1     34.7
AVG. MINIMUM     19.7              19.1     0.6     19.0
MEAN             26.7              26.4     0.3     26.9
DAYS MAX >= 90      0
DAYS MAX <= 32     37
DAYS MIN <= 32     82
DAYS MIN <= 0       6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.79   1950
 MINIMUM         1.60   1931
TOTALS           8.09              5.77    2.32
DAYS >= .01        38
DAYS >= .10        20
DAYS >= .50         6
DAYS >= 1.00        1

SNOWFALL (INCHES)
TOTALS           28.6              28.1     0.5     30.2
SINCE 7/1        41.3              29.5    11.8     30.3

DEGREE_DAYS
HEATING TOTAL    3428              3477     -49
 SINCE 7/1       4791              4734     -57
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    39/260    DATE  02/24
HIGHEST GUST SPEED/DIRECTION    60/260    DATE  02/24


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               23     FREEZING RAIN              1
LT FREEZING RAIN         12     HAIL                       1
HEAVY SNOW                1     SNOW                      12
LIGHT SNOW               42     SLEET                      3
FOG                      57     FOG W/VIS <= 1/4 MILE      7
HAZE                     27

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

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