Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 170637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST FRI FEB 17 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 16 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         43    404 PM  57    1921  34      9       32
  MINIMUM         30    738 AM -10    1958  18     12       22
                                      1920
  AVERAGE         37                        26     11       27

PRECIPITATION (IN)
  YESTERDAY        0.00          0.43 2006   0.05  -0.05     0.03
  MONTH TO DATE    0.33                      0.72  -0.39     0.57
  SINCE DEC 1      4.46                      4.07   0.39     6.10
  SINCE JAN 1      2.58                      2.09   0.49     1.45

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1925   0.2   -0.2      0.5
  MONTH TO DATE    T                         4.7   -4.7      3.5
  SINCE DEC 1     16.8                      26.2   -9.4     12.4
  SINCE JUL 1     16.8                      28.0  -11.2     21.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        39    -11       38
  MONTH TO DATE  549                       655   -106      663
  SINCE DEC 1   2972                      3229   -257     2803
  SINCE JUL 1   3841                      4564   -723     3834

 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    20   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    63          1200 AM
 LOWEST     39           300 PM
 AVERAGE    51

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        59      1981
 MINIMUM TEMPERATURE (F)   18       -13      1958


SUNRISE AND SUNSET
FEBRUARY 17 2017......SUNRISE   649 AM CST   SUNSET   532 PM CST
FEBRUARY 18 2017......SUNRISE   648 AM CST   SUNSET   533 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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