Climatological Report (Daily)
Issued by NWS Chicago, IL

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853
CDUS43 KLOT 230634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT SEP 23 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 22 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         92    341 PM  93    1937  73     19       81
  MINIMUM         67    522 AM  30    1976  49     18       63
  AVERAGE         80                        61     19       72

PRECIPITATION (IN)
  YESTERDAY        0.00          3.05 2000   0.11  -0.11     0.03
  MONTH TO DATE    0.51                      2.51  -2.00     2.93
  SINCE SEP 1      0.51                      2.51  -2.00     2.93
  SINCE JAN 1     37.30                     28.17   9.13    28.85

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE SEP 1      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE   50                        60    -10        2
  SINCE SEP 1     50                        60    -10        2
  SINCE JUL 1     57                        74    -17        2

 COOLING
  YESTERDAY       15                         2     13        7
  MONTH TO DATE   74                        75     -1      138
  SINCE SEP 1     74                        75     -1      138
  SINCE JAN 1    758                       802    -44     1055
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           100 AM
 LOWEST     38           400 PM
 AVERAGE    64

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      1937
 MINIMUM TEMPERATURE (F)   49        29      1995
                                             1974


SUNRISE AND SUNSET
SEPTEMBER 23 2017.....SUNRISE   645 AM CDT   SUNSET   651 PM CDT
SEPTEMBER 24 2017.....SUNRISE   646 AM CDT   SUNSET   650 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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