Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 160633
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT SEP 16 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 15 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         87    241 PM 102    1939  76     11       80
  MINIMUM         59    523 AM  35    2007  53      6       59
  AVERAGE         73                        64      9       70

PRECIPITATION (IN)
  YESTERDAY        0.00          2.00 1912   0.11  -0.11     0.00
  MONTH TO DATE    0.07                      1.72  -1.65     1.49
  SINCE SEP 1      0.07                      1.72  -1.65     1.49
  SINCE JAN 1     36.86                     27.38   9.48    27.41

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   50                        28     22        2
  SINCE SEP 1     50                        28     22        2
  SINCE JUL 1     57                        42     15        2

 COOLING
  YESTERDAY        8                         3      5        5
  MONTH TO DATE   17                        60    -43       89
  SINCE SEP 1     17                        60    -43       89
  SINCE JAN 1    701                       787    -86     1006
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM
 LOWEST     39           200 PM
 AVERAGE    65

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        94      1931
 MINIMUM TEMPERATURE (F)   52        34      1916


SUNRISE AND SUNSET
SEPTEMBER 16 2017.....SUNRISE   638 AM CDT   SUNSET   704 PM CDT
SEPTEMBER 17 2017.....SUNRISE   639 AM CDT   SUNSET   702 PM CDT


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




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