Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 172133
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT SUN SEP 17 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         77    134 PM  93    1988  75      2       81
                                      1927
  MINIMUM         65    231 AM  35    1916  52     13       58
  AVERAGE         71                        64      7       70

PRECIPITATION (IN)
  TODAY            0.00          2.21 1970   0.12  -0.12     0.00
  MONTH TO DATE    0.07                      1.95  -1.88     1.53
  SINCE SEP 1      0.07                      1.95  -1.88     1.53
  SINCE JAN 1     36.86                     27.61   9.25    27.45

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            0                         4     -4        0
  MONTH TO DATE   50                        36     14        2
  SINCE SEP 1     50                        36     14        2
  SINCE JUL 1     57                        50      7        2

 COOLING
  TODAY            6                         2      4        5
  MONTH TO DATE   32                        65    -33      104
  SINCE SEP 1     32                        65    -33      104
  SINCE JAN 1    716                       792    -76     1021
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           300 AM
 LOWEST     64           100 PM
 AVERAGE    76

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        92      1920
 MINIMUM TEMPERATURE (F)   51        32      1929
                                             1916


SUNRISE AND SUNSET
SEPTEMBER 17 2017.....SUNRISE   639 AM CDT   SUNSET   702 PM CDT
SEPTEMBER 18 2017.....SUNRISE   640 AM CDT   SUNSET   700 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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