Climatological Report (Monthly)
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CXUS53 KLOT 011210 CCA
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
710 AM CDT WED JUL 1 2015

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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF JUNE 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  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   06/20/1988
                        06/20/1953
 LOW               35   06/04/1945

HIGHEST            92   06/10        80      12       91  06/17
LOWEST             42   06/02        58     -16       49  06/06

AVG. MAXIMUM     76.9              79.7    -2.8     81.0
AVG. MINIMUM     57.8              58.1    -0.3     60.9
MEAN             67.4              68.9    -1.5     70.9

DAYS MAX >= 90      1               3.0    -2.0        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.58   1892
 MINIMUM         0.12   1922

TOTALS           7.12              3.45    3.67     7.81

DAILY AVG.       0.24              0.12    0.12     0.26
DAYS >= .01        16              10.2     5.8       14
DAYS >= .10        13               5.9     7.1       10
DAYS >= .50         4               2.4     1.6        5
DAYS >= 1.00        2               0.9     1.1        3
GREATEST
 24 HR. TOTAL    2.56   06/15 TO 06/15

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2011
                        2006
TOTALS              T               0.0     0.0      0.0
SINCE 7/1        50.7              36.6    14.1     82.0


DEGREE_DAYS
HEATING TOTAL      39                48      -9       12
 SINCE 7/1       6776              6340     436     7135
COOLING TOTAL     118               165     -47      198
 SINCE 1/1        171               219     -48      259
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    28/200    DATE  06/22
HIGHEST GUST SPEED/DIRECTION    35/200    DATE  06/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      11
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      0
HAZE                     11

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


&&
RECORDS ESTABLISHED DURING JUNE 2015:

MONTHLY
* 9TH WETTEST JUNE ON RECORD SINCE 1871

DAILY
* RECORD DAILY MAXIMUM RAINFALL ON JUNE 15TH OF 2.56 INCHES.
  PREVIOUS RECORD WAS 0.96 SET IN 1982


$$


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