Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 031124
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN SEP 3 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 2 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         72    206 PM 101    1953  80     -8       77
  MINIMUM         42    523 AM  41    1909  58    -16       56
  AVERAGE         57                        69    -12       67

PRECIPITATION (IN)
  YESTERDAY        0.07          2.40 1942   0.13  -0.06     0.00
  MONTH TO DATE    0.07                      0.25  -0.18     0.00
  SINCE SEP 1      0.07                      0.25  -0.18     0.00
  SINCE JAN 1     36.86                     25.91  10.95    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        8                         1      7        0
  MONTH TO DATE   12                         2     10        0
  SINCE SEP 1     12                         2     10        0
  SINCE JUL 1     19                        16      3        0

 COOLING
  YESTERDAY        0                         5     -5        2
  MONTH TO DATE    0                        10    -10        5
  SINCE SEP 1      0                        10    -10        5
  SINCE JAN 1    684                       737    -53      922
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     48          1200 PM
 AVERAGE    74

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       100      1913
 MINIMUM TEMPERATURE (F)   58        43      1908


SUNRISE AND SUNSET
SEPTEMBER  3 2017.....SUNRISE   624 AM CDT   SUNSET   726 PM CDT
SEPTEMBER  4 2017.....SUNRISE   625 AM CDT   SUNSET   724 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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