Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 120635
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE SEP 12 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 11 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         75    310 PM  96    1931  77     -2       76
  MINIMUM         46    554 AM  34    1917  55     -9       50
  AVERAGE         61                        66     -5       63

PRECIPITATION (IN)
  YESTERDAY        0.00          3.10 2000   0.11  -0.11     0.00
  MONTH TO DATE    0.07                      1.28  -1.21     1.49
  SINCE SEP 1      0.07                      1.28  -1.21     1.49
  SINCE JAN 1     36.86                     26.94   9.92    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        4                         2      2        2
  MONTH TO DATE   49                        16     33        2
  SINCE SEP 1     49                        16     33        2
  SINCE JUL 1     56                        30     26        2

 COOLING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    4                        48    -44       72
  SINCE SEP 1      4                        48    -44       72
  SINCE JAN 1    688                       775    -87      989
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     1.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     33           200 PM
 AVERAGE    63

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        95      1927
 MINIMUM TEMPERATURE (F)   54        36      1975


SUNRISE AND SUNSET
SEPTEMBER 12 2017.....SUNRISE   633 AM CDT   SUNSET   711 PM CDT
SEPTEMBER 13 2017.....SUNRISE   635 AM CDT   SUNSET   709 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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