Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 131120
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN AUG 13 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 12 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         80    326 PM  99    1918  83     -3       81
  MINIMUM         55    515 AM  44    1967  62     -7       72
  AVERAGE         68                        72     -4       77

PRECIPITATION (IN)
  YESTERDAY        0.00          1.10 1940   0.16  -0.16     0.59
  MONTH TO DATE    0.13                      1.79  -1.66     1.51
  SINCE JUN 1     15.05                     10.39   4.66    11.57
  SINCE JAN 1     33.90                     22.86  11.04    23.13

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 JUN 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        0                         0      0        0
  MONTH TO DATE    1                         0      1        0
  SINCE JUN 1     12                        34    -22        6
  SINCE JUL 1      1                         3     -2        0

 COOLING
  YESTERDAY        3                         8     -5       12
  MONTH TO DATE   69                        96    -27      136
  SINCE JUN 1    570                       545     25      666
  SINCE JAN 1    606                       600      6      751
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     39           400 PM
 AVERAGE    66

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        96      1944
 MINIMUM TEMPERATURE (F)   62        46      1931


SUNRISE AND SUNSET
AUGUST 13 2017........SUNRISE   602 AM CDT   SUNSET   759 PM CDT
AUGUST 14 2017........SUNRISE   603 AM CDT   SUNSET   758 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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