Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 212142
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON AUG 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 21 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         83    259 PM 100    1955  82      1       76
                                      1916
  MINIMUM         67    508 AM  45    1950  61      6       56
  AVERAGE         75                        72      3       66

PRECIPITATION (IN)
  TODAY            T             2.84 2002   0.14  -0.14     0.00
  MONTH TO DATE    0.61                      3.19  -2.58     2.44
  SINCE JUN 1     15.53                     11.79   3.74    12.50
  SINCE JAN 1     34.38                     24.26  10.12    24.06

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY           10                         7      3        1
  MONTH TO DATE  134                       161    -27      217
  SINCE JUN 1    635                       610     25      747
  SINCE JAN 1    671                       665      6      832
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     65           300 PM
 AVERAGE    83

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       101      1936
 MINIMUM TEMPERATURE (F)   61        41      1923


SUNRISE AND SUNSET
AUGUST 21 2017........SUNRISE   610 AM CDT   SUNSET   747 PM CDT
AUGUST 22 2017........SUNRISE   612 AM CDT   SUNSET   746 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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