Climatological Report (Seasonal)
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CXUS53 KLOT 011205
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
658 AM CDT THU JUN 1 2017

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2017 TO 5/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/31/1934
 LOW              -12   03/04/1873
HIGHEST            87   05/16        MM      MM       87
LOWEST             16   03/15        MM      MM       11
AVG. MAXIMUM     59.5              58.5     1.0     59.7
AVG. MINIMUM     41.2              38.8     2.4     40.9
MEAN             50.3              48.6     1.7     50.3
DAYS MAX >= 90      0
DAYS MAX <= 32      3
DAYS MIN <= 32     17
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.51   1983
 MINIMUM         2.73   1887
TOTALS          13.72              9.56    4.16
DAYS >= .01        43
DAYS >= .10        28
DAYS >= .50         8
DAYS >= 1.00        4

SNOWFALL (INCHES)
TOTALS            7.8               6.8     1.0      3.7

DEGREE_DAYS
HEATING TOTAL    1359              1558    -199
 SINCE 7/1       5284              6292   -1008
COOLING TOTAL      33                53     -20
 SINCE 1/1         33                54     -21
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
HIGHEST WIND SPEED/DIRECTION    41/270    DATE  03/08
HIGHEST GUST SPEED/DIRECTION    57/270    DATE  03/08


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             19     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      19
LIGHT RAIN               47     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                7     SLEET                      1
FOG                      40     FOG W/VIS <= 1/4 MILE      4
HAZE                     13

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

&&

SEASONAL RECORDS
* 14TH WETTEST SPRING ON RECORD SINCE 1872 AT 13.72 INCHES

$$





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