Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 200631
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST SAT JAN 20 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR JANUARY 19 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         42   1040 PM  53    2006  29     13       40
  MINIMUM         22    307 AM -24    1994  13      9       28
                                      1985
  AVERAGE         32                        21     11       34

PRECIPITATION (IN)
  YESTERDAY        0.00          1.31 1988   0.04  -0.04     0.14
  MONTH TO DATE    0.32                      0.88  -0.56     2.01
  SINCE DEC 1      0.81                      2.86  -2.05     3.89
  SINCE JAN 1      0.32                      0.88  -0.56     2.01

SNOWFALL (IN)
  YESTERDAY        0.0           8.3  1995   0.3   -0.3      0.0
  MONTH TO DATE    5.9                       6.4   -0.5      0.2
  SINCE DEC 1     10.6                      17.7   -7.1     16.3
  SINCE JUL 1     10.8                      19.5   -8.7     16.3
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       33                        44    -11       31
  MONTH TO DATE  961                       830    131      785
  SINCE DEC 1   2206                      2056    150     2055
  SINCE JUL 1   3420                      3391     29     2924

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    11.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           300 AM
 LOWEST     55           900 PM
 AVERAGE    68

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        51      1921
 MINIMUM TEMPERATURE (F)   13       -26      1985


SUNRISE AND SUNSET
JANUARY 20 2018.......SUNRISE   720 AM CST   SUNSET   456 PM CST
JANUARY 21 2018.......SUNRISE   719 AM CST   SUNSET   457 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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