Climatological Report (Monthly)
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CXUS53 KLOT 011303
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
659 AM CST MON FEB 1 2016

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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              67   01/25/1950
 LOW              -27   01/20/1985
HIGHEST            48   01/31                         43  01/24
LOWEST             -4   01/18                         -8  01/08
AVG. MAXIMUM     31.7              31.0     0.7     29.0
AVG. MINIMUM     17.6              16.5     1.1     15.5
MEAN             24.7              23.8     0.9     22.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     15              16.1    -1.1       16
DAYS MIN <= 32     27              28.0    -1.0       31
DAYS MIN <= 0       5               3.8     1.2        6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.84   1916
 MINIMUM         0.10   1981
TOTALS           0.84              1.73   -0.89     1.41
DAILY AVG.       0.03              0.06   -0.03     0.05
DAYS >= .01        11              10.5     0.5       12
DAYS >= .10         4               4.7    -0.7        5
DAYS >= .50         0               0.9    -0.9        1
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.27   01/09 TO 01/09

SNOWFALL (INCHES)
RECORDS
 TOTAL           42.5   1918
 SNOW DEPTH        12   01/23/2005
                        01/31/2002
TOTALS            6.3              10.8    -4.5     13.9
SINCE 7/1        22.0              20.7     1.3     16.8
SNOWDEPTH AVG.      1                 3      -2        2
DAYS >= 1.0         2               3.7    -1.7        6
GREATEST
 SNOW DEPTH         3   01/13                          6  01/14
                        01/12                             01/13
                                                          01/12
 24 HR TOTAL      3.1   01/11 TO 01/11

DEGREE_DAYS
HEATING TOTAL    1239              1279     -40     1317
 SINCE 7/1       3012              3690    -678     3775
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    29/210    DATE  01/27
HIGHEST GUST SPEED/DIRECTION    38/220    DATE  01/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               15     SLEET                      2
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

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