Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 210638
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT FRI APR 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 20 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         66    805 AM  89    1987  63      3       72
  MINIMUM         49   1159 PM  25    1956  40      9       49
  AVERAGE         58                        51      7       61

PRECIPITATION (IN)
  YESTERDAY        T             2.46 1929   0.11  -0.11     0.02
  MONTH TO DATE    4.11                      2.22   1.89     1.77
  SINCE MAR 1      6.90                      4.54   2.36     5.78
  SINCE JAN 1     10.93                      7.32   3.61     7.31

SNOWFALL (IN)
  YESTERDAY        0.0           T    1959   0.0    0.0      0.0
  MONTH TO DATE    T                         0.8   -0.8      0.4
  SINCE MAR 1      5.1                       5.6   -0.5      2.8
  SINCE JUL 1     22.1                      36.6  -14.5     24.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                        14     -7        4
  MONTH TO DATE  224                       354   -130      357
  SINCE MAR 1   1026                      1216   -190     1036
  SINCE JUL 1   5100                      6218  -1118     5222

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    7                         0      7        2
  SINCE MAR 1      7                         0      7        2
  SINCE JAN 1      7                         0      7        2
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    15.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           500 AM
 LOWEST     57           400 PM
 AVERAGE    70

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        86      1985
 MINIMUM TEMPERATURE (F)   40        24      1988


SUNRISE AND SUNSET
APRIL 21 2017.........SUNRISE   606 AM CDT   SUNSET   745 PM CDT
APRIL 22 2017.........SUNRISE   604 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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