Climatological Report (Monthly)
Issued by NWS

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920
CXUS53 KLOT 011131
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
625 AM CDT MON AUG 1 2016

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JULY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016

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            93   07/24                         92  07/17
LOWEST             54   07/02                         53  07/02
AVG. MAXIMUM     84.4              84.1     0.3     81.9
AVG. MINIMUM     66.5              63.9     2.6     62.7
MEAN             75.5              74.0     1.5     72.3
DAYS MAX >= 90      6               5.9     0.1        3
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           6.23              3.70    2.53     2.85
DAILY AVG.       0.20              0.12    0.08     0.09
DAYS >= .01        11               9.8     1.2        8
DAYS >= .10         9               6.0     3.0        5
DAYS >= .50         6               2.3     3.7        2
DAYS >= 1.00        3               1.0     2.0        0
GREATEST
 24 HR. TOTAL    1.34   07/23 TO 07/24

DEGREE_DAYS
HEATING TOTAL       0                 4      -4       13
 SINCE 7/1          0                 4      -4       13
COOLING TOTAL     332               283      49      246
 SINCE 1/1        622               502     120      417
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    43/330    DATE  07/06
HIGHEST GUST SPEED/DIRECTION    51/330    DATE  07/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             23
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       7
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

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