Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 210636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST TUE FEB 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 20 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         69R   318 PM  61    1983  36     33       54
  MINIMUM         45    656 AM -22    1929  19     26       35
  AVERAGE         57                        28     29       45

PRECIPITATION (IN)
  YESTERDAY        0.06          0.96 2011   0.05   0.01     0.00
  MONTH TO DATE    0.39                      0.93  -0.54     0.57
  SINCE DEC 1      4.52                      4.28   0.24     6.10
  SINCE JAN 1      2.64                      2.30   0.34     1.45

SNOWFALL (IN)
  YESTERDAY        0.0           3.2  1993   0.2   -0.2      0.0
  MONTH TO DATE    T                         5.8   -5.8      3.5
  SINCE DEC 1     16.8                      27.3  -10.5     12.4
  SINCE JUL 1     16.8                      29.1  -12.3     21.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        8                        37    -29       20
  MONTH TO DATE  605                       807   -202      771
  SINCE DEC 1   3028                      3381   -353     2911
  SINCE JUL 1   3897                      4716   -819     3942

 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    25   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    13.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           800 AM
 LOWEST     53           300 PM
 AVERAGE    73

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        64      1930
 MINIMUM TEMPERATURE (F)   20       -10      1963


SUNRISE AND SUNSET
FEBRUARY 21 2017......SUNRISE   643 AM CST   SUNSET   537 PM CST
FEBRUARY 22 2017......SUNRISE   642 AM CST   SUNSET   538 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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