Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 190636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SAT AUG 19 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 18 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    334 PM 101    1936  82     -2       88
  MINIMUM         63   1159 PM  45    1963  61      2       68
  AVERAGE         72                        72      0       78

PRECIPITATION (IN)
  YESTERDAY        0.00          2.87 2015   0.15  -0.15     0.18
  MONTH TO DATE    0.61                      2.75  -2.14     1.70
  SINCE JUN 1     15.53                     11.35   4.18    11.76
  SINCE JAN 1     34.38                     23.82  10.56    23.32

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        7                         7      0       13
  MONTH TO DATE  114                       140    -26      200
  SINCE JUN 1    615                       589     26      730
  SINCE JAN 1    651                       644      7      815
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.6


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     51           300 PM
 AVERAGE    72

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       100      1947
                                             1916
 MINIMUM TEMPERATURE (F)   61        44      1915


SUNRISE AND SUNSET
AUGUST 19 2017........SUNRISE   608 AM CDT   SUNSET   751 PM CDT
AUGUST 20 2017........SUNRISE   609 AM CDT   SUNSET   749 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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