Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 180632
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST SAT FEB 18 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 17 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         66R   354 PM  59    1981  35     31       33
  MINIMUM         28    657 AM -13    1958  18     10       18
  AVERAGE         47                        26     21       26

PRECIPITATION (IN)
  YESTERDAY        0.00          1.15 2008   0.05  -0.05     0.00
  MONTH TO DATE    0.33                      0.77  -0.44     0.57
  SINCE DEC 1      4.46                      4.12   0.34     6.10
  SINCE JAN 1      2.58                      2.14   0.44     1.45

SNOWFALL (IN)
  YESTERDAY        0.0           5.5  1944   0.3   -0.3      0.0
  MONTH TO DATE    T                         5.0   -5.0      3.5
  SINCE DEC 1     16.8                      26.5   -9.7     12.4
  SINCE JUL 1     16.8                      28.3  -11.5     21.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        39    -21       39
  MONTH TO DATE  567                       694   -127      702
  SINCE DEC 1   2990                      3268   -278     2842
  SINCE JUL 1   3859                      4603   -744     3873

 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    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           500 AM
 LOWEST     36           100 PM
 AVERAGE    57

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        58      1981
 MINIMUM TEMPERATURE (F)   19       -19      1936


SUNRISE AND SUNSET
FEBRUARY 18 2017......SUNRISE   648 AM CST   SUNSET   533 PM CST
FEBRUARY 19 2017......SUNRISE   647 AM CST   SUNSET   534 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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