Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011246
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
731 AM CDT FRI AUG 1 2014

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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF JULY 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             105   07/24/1934
 LOW               45   07/07/1983
HIGHEST            90   07/22        84       6       96  07/19
LOWEST             54   07/17        63      -9       54  07/28
AVG. MAXIMUM     79.8              84.1    -4.3     81.8
AVG. MINIMUM     60.9              63.9    -3.0     64.5
MEAN             70.4              74.0    -3.6     73.2
DAYS MAX >= 90      1               5.9    -4.9        4
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        11.15   2011
 MINIMUM         0.22   1936
TOTALS           2.14              3.70   -1.56     2.22
DAILY AVG.       0.07              0.12   -0.05     0.07
DAYS >= .01        12               9.8     2.2       10
DAYS >= .10         5               6.0    -1.0        4
DAYS >= .50         2               2.3    -0.3        3
DAYS >= 1.00        0               1.0    -1.0        0
GREATEST
 24 HR. TOTAL    2.60   06/30 TO 07/01

DEGREE_DAYS
HEATING TOTAL       5                 4       1        9
 SINCE 7/1          5                 4       1        9
COOLING TOTAL     179               283    -104      268
 SINCE 1/1        438               502     -64      508
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    33/340    DATE  07/29
HIGHEST GUST SPEED/DIRECTION    40/320    DATE  07/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

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

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