Climatological Report (Monthly)
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CXUS53 KLOT 011144
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
643 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  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              94   10/06/1963
 LOW               14   10/25/1887
HIGHEST            82   10/17                         79
LOWEST             36   10/25                         33
AVG. MAXIMUM     65.8              62.3     3.5     63.2
AVG. MINIMUM     47.9              42.8     5.1     46.2
MEAN             56.9              52.5     4.4     54.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               3.5    -3.5        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.06   1954
 MINIMUM         0.18   1897
TOTALS           3.77              3.15    0.62     2.23
DAILY AVG.       0.12              0.10    0.02     0.07
DAYS >= .01         8              10.2    -2.2        9
DAYS >= .10         6               5.9     0.1        6
DAYS >= .50         3               2.1     0.9        1
DAYS >= 1.00        1               0.6     0.4        0
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      0.0
SINCE 7/1         0.0               0.2    -0.2        T
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.1    -0.1        0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     266               397    -131      311
 SINCE 7/1        289               515    -226      366
COOLING TOTAL      24                11      13        1
 SINCE 1/1       1154               843     311      806
.................................................

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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