Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 210636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SAT APR 21 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         61    241 PM  89    1987  63     -2       66
  MINIMUM         24R   533 AM  25    1956  40    -16       49
  AVERAGE         43                        51     -8       58

PRECIPITATION (IN)
  YESTERDAY        0.00          2.46 1929   0.11  -0.11      T
  MONTH TO DATE    1.10                      2.22  -1.12     4.11
  SINCE MAR 1      2.32                      4.54  -2.22     6.90
  SINCE JAN 1      7.27                      7.32  -0.05    10.93

SNOWFALL (IN)
  YESTERDAY        0.0           T    1959   0.0    0.0      0.0
  MONTH TO DATE    4.1                       0.8    3.3       T
  SINCE MAR 1      6.5                       5.6    0.9      5.1
  SINCE JUL 1     34.8                      36.6   -1.8     22.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        14      8        7
  MONTH TO DATE  598                       354    244      224
  SINCE MAR 1   1489                      1216    273     1026
  SINCE JUL 1   6430                      6218    212     5100

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


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     2.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 AM
 LOWEST     20           400 PM
 AVERAGE    56

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


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 2018.........SUNRISE   606 AM CDT   SUNSET   745 PM CDT
APRIL 22 2018.........SUNRISE   605 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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