Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 160634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST FRI FEB 16 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 15 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         45    225 PM  67    1921  34     11       39
  MINIMUM         35    803 AM -13    1920  18     17       25
  AVERAGE         40                        26     14       32

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 1935   0.05  -0.05     0.00
  MONTH TO DATE    1.28                      0.67   0.61     0.33
  SINCE DEC 1      3.11                      4.02  -0.91     4.46
  SINCE JAN 1      2.62                      2.04   0.58     2.58

SNOWFALL (IN)
  YESTERDAY        0.0           6.8  1975   0.3   -0.3      0.0
  MONTH TO DATE   16.1                       4.5   11.6       T
  SINCE DEC 1     26.8                      26.0    0.8     16.8
  SINCE JUL 1     27.0                      27.8   -0.8     16.8
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       25                        39    -14       33
  MONTH TO DATE  737                       616    121      521
  SINCE DEC 1   3335                      3190    145     2944
  SINCE JUL 1   4549                      4525     24     3813

 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    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     70           400 PM
 AVERAGE    85

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        57      1921
 MINIMUM TEMPERATURE (F)   18       -10      1958
                                             1920


SUNRISE AND SUNSET
FEBRUARY 16 2018......SUNRISE   651 AM CST   SUNSET   530 PM CST
FEBRUARY 17 2018......SUNRISE   650 AM CST   SUNSET   532 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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