Climatological Report (Monthly)
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CXUS53 KLOT 011131
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
627 AM CDT TUE NOV 1 2016

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

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

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              94   10/06/1963
 LOW               14   10/25/1887
HIGHEST            82   10/17
LOWEST             36   10/25
AVG. MAXIMUM     65.8              62.3     3.5
AVG. MINIMUM     47.9              42.8     5.1
MEAN             56.9              52.5     4.4
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               3.5    -3.5
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.06   1954
 MINIMUM         0.18   1897
TOTALS           3.77              3.15    0.62
DAILY AVG.       0.12              0.10    0.02
DAYS >= .01         8              10.2    -2.2
DAYS >= .10         6               5.9     0.1
DAYS >= .50         3               2.1     0.9
DAYS >= 1.00        1               0.6     0.4
GREATEST
 24 HR. TOTAL    1.60   10/26 TO 10/26

SNOWFALL (INCHES)
RECORDS
 TOTAL            6.3   1989
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.2    -0.2
SINCE 7/1         0.0               0.2    -0.2
SNOWDEPTH AVG.      0                MM      MM
DAYS >= 1.0         0               0.1    -0.1
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     266               397    -131
 SINCE 7/1        289               515    -226
COOLING TOTAL      24                11      13
 SINCE 1/1       1154               843     311
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   2/206
HIGHEST WIND SPEED/DIRECTION    31/190    DATE  10/17
HIGHEST GUST SPEED/DIRECTION    44/210    DATE  10/17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$





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