Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 200634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST MON FEB 20 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67R   335 PM  63    1930  35     32       58
  MINIMUM         30    641 AM -16    1979  19     11       40
  AVERAGE         49                        27     22       49

PRECIPITATION (IN)
  YESTERDAY        0.00          0.97 1994   0.06  -0.06     0.00
  MONTH TO DATE    0.33                      0.88  -0.55     0.57
  SINCE DEC 1      4.46                      4.23   0.23     6.10
  SINCE JAN 1      2.58                      2.25   0.33     1.45

SNOWFALL (IN)
  YESTERDAY        0.0           2.0  1952   0.3   -0.3      0.0
                                      1929
                                      1924
  MONTH TO DATE    T                         5.6   -5.6      3.5
  SINCE DEC 1     16.8                      27.1  -10.3     12.4
  SINCE JUL 1     16.8                      28.9  -12.1     21.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        38    -22       16
  MONTH TO DATE  597                       770   -173      751
  SINCE DEC 1   3020                      3344   -324     2891
  SINCE JUL 1   3889                      4679   -790     3922

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     4.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           400 AM
 LOWEST     32          1100 AM
 AVERAGE    62

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        61      1983
 MINIMUM TEMPERATURE (F)   19       -22      1929


SUNRISE AND SUNSET
FEBRUARY 20 2017......SUNRISE   645 AM CST   SUNSET   536 PM CST
FEBRUARY 21 2017......SUNRISE   643 AM CST   SUNSET   537 PM CST


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




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