Climatological Report (Daily)
Issued by NWS Chicago, IL

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427
CDUS43 KLOT 220635
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST THU FEB 22 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 21 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         29    405 PM  67    2017  36     -7       67
  MINIMUM         24    903 PM -10    1963  20      4       43
  AVERAGE         27                        28     -1       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.25 1913   0.05  -0.05     0.10
  MONTH TO DATE    3.10                      0.98   2.12     0.49
  SINCE DEC 1      4.93                      4.33   0.60     4.62
  SINCE JAN 1      4.44                      2.35   2.09     2.74

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  1913   0.3   -0.3      0.0
  MONTH TO DATE   17.4                       6.1   11.3       T
  SINCE DEC 1     28.1                      27.6    0.5     16.8
  SINCE JUL 1     28.3                      29.4   -1.1     16.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       38                        37      1       10
  MONTH TO DATE  946                       844    102      615
  SINCE DEC 1   3544                      3418    126     3038
  SINCE JUL 1   4758                      4753      5     3907

 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    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           300 AM
 LOWEST     58           200 PM
 AVERAGE    70

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        70      2017
 MINIMUM TEMPERATURE (F)   20       -17      1936


SUNRISE AND SUNSET
FEBRUARY 22 2018......SUNRISE   642 AM CST   SUNSET   538 PM CST
FEBRUARY 23 2018......SUNRISE   641 AM CST   SUNSET   539 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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