Climatological Report (Daily)
Issued by NWS Chicago, IL

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315
CDUS43 KLOT 170634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON APR 17 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 16 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         72    323 PM  86    2002  61     11       80
                                      1977
  MINIMUM         49   1159 PM  19    1949  38     11       48
  AVERAGE         61                        50     11       64

PRECIPITATION (IN)
  YESTERDAY        0.29          3.17 1972   0.11   0.18     0.00
  MONTH TO DATE    3.99                      1.77   2.22     1.67
  SINCE MAR 1      6.78                      4.09   2.69     5.68
  SINCE JAN 1     10.81                      6.87   3.94     7.21

SNOWFALL (IN)
  YESTERDAY        0.0           8.5  1921   0.0    0.0      0.0
  MONTH TO DATE    T                         0.7   -0.7      0.4
  SINCE MAR 1      5.1                       5.5   -0.4      2.8
  SINCE JUL 1     22.1                      36.5  -14.4     24.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        4                        16    -12        1
  MONTH TO DATE  197                       295    -98      345
  SINCE MAR 1    999                      1157   -158     1024
  SINCE JUL 1   5073                      6159  -1086     5210

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


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM
 LOWEST     22           300 PM
 AVERAGE    56

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        86      1977
 MINIMUM TEMPERATURE (F)   39        24      1983


SUNRISE AND SUNSET
APRIL 17 2017.........SUNRISE   612 AM CDT   SUNSET   740 PM CDT
APRIL 18 2017.........SUNRISE   611 AM CDT   SUNSET   741 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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