Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 220637
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT SAT APR 22 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 21 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         58    253 PM  86    1985  63     -5       71
  MINIMUM         40    548 AM  24    1988  40      0       49
  AVERAGE         49                        52     -3       60

PRECIPITATION (IN)
  YESTERDAY        0.00          3.38 1973   0.11  -0.11      T
  MONTH TO DATE    4.11                      2.33   1.78     1.77
  SINCE MAR 1      6.90                      4.65   2.25     5.78
  SINCE JAN 1     10.93                      7.43   3.50     7.31

SNOWFALL (IN)
  YESTERDAY        0.0           0.3  1988   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       16                        14      2        5
  MONTH TO DATE  240                       368   -128      362
  SINCE MAR 1   1042                      1230   -188     1041
  SINCE JUL 1   5116                      6232  -1116     5227

 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    21   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           600 AM
 LOWEST     43           500 PM
 AVERAGE    58

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        91      1980
 MINIMUM TEMPERATURE (F)   41        23      1986


SUNRISE AND SUNSET
APRIL 22 2017.........SUNRISE   604 AM CDT   SUNSET   746 PM CDT
APRIL 23 2017.........SUNRISE   603 AM CDT   SUNSET   747 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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