Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 020631
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SAT SEP 2 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 1 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         71    332 PM 102    1953  80     -9       77
  MINIMUM         50   1159 PM  41    1949  59     -9       58
                                      1909
  AVERAGE         61                        69     -8       68

PRECIPITATION (IN)
  YESTERDAY        0.00          1.33 1945   0.12  -0.12     0.00
                                      1930
  MONTH TO DATE    0.00                      0.12  -0.12     0.00
  SINCE SEP 1      0.00                      0.12  -0.12     0.00
  SINCE JAN 1     36.79                     25.78  11.01    25.92

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                         1      3        0
  MONTH TO DATE    4                         1      3        0
  SINCE SEP 1      4                         1      3        0
  SINCE JUL 1     11                        15     -4        0

 COOLING
  YESTERDAY        0                         5     -5        3
  MONTH TO DATE    0                         5     -5        3
  SINCE SEP 1      0                         5     -5        3
  SINCE JAN 1    684                       732    -48      920
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     34           300 PM
 AVERAGE    64

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1953
 MINIMUM TEMPERATURE (F)   58        41      1909


SUNRISE AND SUNSET
SEPTEMBER  2 2017.....SUNRISE   623 AM CDT   SUNSET   728 PM CDT
SEPTEMBER  3 2017.....SUNRISE   624 AM CDT   SUNSET   726 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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