Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 061843
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
142 PM CDT WED JUN 6 2012

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2012 TO 5/31/2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
HIGHEST            97   05/27
LOWEST             21   03/05
AVG. MAXIMUM     66.5              58.5     8.0
AVG. MINIMUM     46.6              38.8     7.8
MEAN             56.6              48.6     8.0
DAYS MAX >= 90      5
DAYS MAX <= 32      1
DAYS MIN <= 32      8
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.51   1983
 MINIMUM         2.73   1887
TOTALS           8.71              9.56   -0.85
DAYS >= .01        27
DAYS >= .10        17
DAYS >= .50         6
DAYS >= 1.00        3

DEGREE_DAYS
HEATING TOTAL     920              1558    -638
 SINCE 7/1       4893              6292   -1399
COOLING TOTAL     171                53     118
 SINCE 1/1        171                54     117
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    38/200    DATE  03/07
HIGHEST GUST SPEED/DIRECTION    51/230    DATE  03/07


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               10     RAIN                      17
LIGHT RAIN               35     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                      27     FOG W/VIS <= 1/4 MILE      5
HAZE                     21

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

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