Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 160637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED AUG 16 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 15 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         85    218 PM  99    1988  83      2       82
  MINIMUM         61    545 AM  44    1929  62     -1       64
                                      1921
  AVERAGE         73                        72      1       73

PRECIPITATION (IN)
  YESTERDAY        0.00          3.90 1898   0.17  -0.17     0.01
  MONTH TO DATE    0.13                      2.28  -2.15     1.52
  SINCE JUN 1     15.05                     10.88   4.17    11.58
  SINCE JAN 1     33.90                     23.35  10.55    23.14

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        8                         7      1        8
  MONTH TO DATE   84                       119    -35      163
  SINCE JUN 1    585                       568     17      693
  SINCE JAN 1    621                       623     -2      778
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     48           400 PM
 AVERAGE    71

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       104      1988
 MINIMUM TEMPERATURE (F)   62        44      1992


SUNRISE AND SUNSET
AUGUST 16 2017........SUNRISE   605 AM CDT   SUNSET   755 PM CDT
AUGUST 17 2017........SUNRISE   606 AM CDT   SUNSET   754 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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