Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 130633
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT WED SEP 13 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 12 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         80    329 PM  95    1927  77      3       80
  MINIMUM         48    500 AM  36    1975  54     -6       54
  AVERAGE         64                        66     -2       67

PRECIPITATION (IN)
  YESTERDAY        0.00          2.82 1991   0.11  -0.11     0.00
  MONTH TO DATE    0.07                      1.39  -1.32     1.49
  SINCE SEP 1      0.07                      1.39  -1.32     1.49
  SINCE JAN 1     36.86                     27.05   9.81    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        1                         3     -2        0
  MONTH TO DATE   50                        19     31        2
  SINCE SEP 1     50                        19     31        2
  SINCE JUL 1     57                        33     24        2

 COOLING
  YESTERDAY        0                         3     -3        2
  MONTH TO DATE    4                        51    -47       74
  SINCE SEP 1      4                        51    -47       74
  SINCE JAN 1    688                       778    -90      991
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     32           300 PM
 AVERAGE    63

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        99      1939
 MINIMUM TEMPERATURE (F)   54        32      1975


SUNRISE AND SUNSET
SEPTEMBER 13 2017.....SUNRISE   635 AM CDT   SUNSET   709 PM CDT
SEPTEMBER 14 2017.....SUNRISE   636 AM CDT   SUNSET   707 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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