Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 140644
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT THU SEP 14 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 13 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         82    246 PM  99    1939  77      5       80
  MINIMUM         49    401 AM  32    1975  54     -5       61
  AVERAGE         66                        65      1       71

PRECIPITATION (IN)
  YESTERDAY        0.00          5.56 1961   0.11  -0.11     0.00
  MONTH TO DATE    0.07                      1.50  -1.43     1.49
  SINCE SEP 1      0.07                      1.50  -1.43     1.49
  SINCE JAN 1     36.86                     27.16   9.70    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                        22     28        2
  SINCE SEP 1     50                        22     28        2
  SINCE JUL 1     57                        36     21        2

 COOLING
  YESTERDAY        1                         3     -2        6
  MONTH TO DATE    5                        54    -49       80
  SINCE SEP 1      5                        54    -49       80
  SINCE JAN 1    689                       781    -92      997
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     4.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 PM
 LOWEST     30           200 PM
 AVERAGE    64

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76       101      1939
 MINIMUM TEMPERATURE (F)   53        30      1923


SUNRISE AND SUNSET
SEPTEMBER 14 2017.....SUNRISE   636 AM CDT   SUNSET   707 PM CDT
SEPTEMBER 15 2017.....SUNRISE   637 AM CDT   SUNSET   706 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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