Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 100648
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT SUN SEP 10 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 9 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         73    330 PM  97    1955  78     -5       82
                                      1897
  MINIMUM         53    515 AM  41    1924  56     -3       61
                                      1923
                                      1914
  AVERAGE         63                        67     -4       72

PRECIPITATION (IN)
  YESTERDAY        0.00          5.45 1941   0.12  -0.12      T
  MONTH TO DATE    0.07                      1.06  -0.99     1.47
  SINCE SEP 1      0.07                      1.06  -0.99     1.47
  SINCE JAN 1     36.86                     26.72  10.14    27.39

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        2                         2      0        0
  MONTH TO DATE   39                        12     27        0
  SINCE SEP 1     39                        12     27        0
  SINCE JUL 1     46                        26     20        0

 COOLING
  YESTERDAY        0                         4     -4        7
  MONTH TO DATE    4                        41    -37       72
  SINCE SEP 1      4                        41    -37       72
  SINCE JAN 1    688                       768    -80      989
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     8.9


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    89           200 AM
 LOWEST     44           300 PM
 AVERAGE    67

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        96      2013
                                             1931
 MINIMUM TEMPERATURE (F)   55        37      1917


SUNRISE AND SUNSET
SEPTEMBER 10 2017.....SUNRISE   631 AM CDT   SUNSET   714 PM CDT
SEPTEMBER 11 2017.....SUNRISE   632 AM CDT   SUNSET   712 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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