Climatological Report (Seasonal)
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CXUS53 KLOT 011728
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1103 AM CST SUN MAR 1 2015

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2014 TO 2/28/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

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            50   12/26        MM      MM       56
                        12/14
LOWEST            -10   02/28        MM      MM      -16
AVG. MAXIMUM     29.8              33.6    -3.8     27.1
AVG. MINIMUM     16.1              19.1    -3.0     10.4
MEAN             22.9              26.4    -3.5     18.8
DAYS MAX >= 90      0
DAYS MAX <= 32     48
DAYS MIN <= 32     83
DAYS MIN <= 0      15

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.79   1950
 MINIMUM         1.60   1931
TOTALS           3.65              5.77   -2.12
DAYS >= .01        28
DAYS >= .10        11
DAYS >= .50         2
DAYS >= 1.00        0

SNOWFALL (INCHES)
TOTALS           40.7              28.1    12.6     67.4

DEGREE_DAYS
HEATING TOTAL    3737              3478     259
 SINCE 7/1       5180              4734     446
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    38/330    DATE  02/14
HIGHEST GUST SPEED/DIRECTION    48/340    DATE  02/14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                3     SNOW                       9
LIGHT SNOW               43     SLEET                      4
FOG                      41     FOG W/VIS <= 1/4 MILE      3
HAZE                     24

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

$$




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