Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 210644
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1243 AM CST WED FEB 21 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR FEBRUARY 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         50   1203 AM  69    2017  36     14       69
  MINIMUM         29   1159 PM -22    1929  19     10       45
  AVERAGE         40                        28     12       57

PRECIPITATION (IN)
  YESTERDAY        1.21R         0.96 2011   0.05   1.16     0.06
  MONTH TO DATE    3.10                      0.93   2.17     0.39
  SINCE DEC 1      4.93                      4.28   0.65     4.52
  SINCE JAN 1      4.44                      2.30   2.14     2.64

SNOWFALL (IN)
  YESTERDAY        0.0           3.2  1993   0.2   -0.2      0.0
  MONTH TO DATE   17.4                       5.8   11.6       T
  SINCE DEC 1     28.1                      27.3    0.8     16.8
  SINCE JUL 1     28.3                      29.1   -0.8     16.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        37    -12        8
  MONTH TO DATE  908                       807    101      605
  SINCE DEC 1   3506                      3381    125     3028
  SINCE JUL 1   4720                      4716      4     3897

 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    21   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     78           900 PM
 AVERAGE    89

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        67      2017
 MINIMUM TEMPERATURE (F)   20       -10      1963


SUNRISE AND SUNSET
FEBRUARY 21 2018......SUNRISE   644 AM CST   SUNSET   537 PM CST
FEBRUARY 22 2018......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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