Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011549
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
948 AM CST SAT MAR 1 2014

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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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              75   02/27/1976
 LOW              -21   02/09/1899
HIGHEST            49   02/20        35      14       52  02/18
LOWEST             -8   02/11        19     -27        0  02/01
AVG. MAXIMUM     25.7              35.3    -9.6     33.1
AVG. MINIMUM      8.9              20.1   -11.2     19.1
MEAN             17.3              27.7   -10.4     26.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     23              10.3    12.7       13
DAYS MIN <= 32     27              24.0     3.0       27
DAYS MIN <= 0       7               1.7     5.3        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.98   1881
 MINIMUM         0.06   1877
TOTALS           2.48              1.79    0.69     2.96
DAILY AVG.       0.09              0.06    0.03     0.11
DAYS >= .01         7               8.8    -1.8       13
DAYS >= .10         4               4.4    -0.4        8
DAYS >= .50         1               0.9     0.1        1
DAYS >= 1.00        1               0.3     0.7        1
GREATEST
 24 HR. TOTAL    1.16   02/20 TO 02/20
                        02/19 TO 02/20
                        02/20 TO 02/20

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.0   2011
TOTALS           19.5               9.1    10.4     16.1
SINCE 7/1        68.3              29.6    38.7     19.6
SNOWDEPTH AVG.      8                 3       5        1
DAYS >= 1.0         5               2.7     2.3        6
GREATEST
 SNOW DEPTH        14   02/18                          5  02/27
 24 HR TOTAL      5.7   MM

DEGREE_DAYS
HEATING TOTAL    1328              1044     284     1083
 SINCE 7/1       5415              4734     681     4402
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.5
HIGHEST WIND SPEED/DIRECTION    39/230    DATE  02/20
HIGHEST GUST SPEED/DIRECTION    51/270    DATE  02/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               12     SLEET                      1
FOG                       6     FOG W/VIS <= 1/4 MILE      2
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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