Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 210636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST TUE NOV 21 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR NOVEMBER 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         55    307 PM  69    1942  45     10       36
  MINIMUM         27    321 AM   5    1914  28     -1       20
  AVERAGE         41                        37      4       28

PRECIPITATION (IN)
  YESTERDAY        0.00          0.85 1983   0.08  -0.08     0.00
                                      1907
  MONTH TO DATE    1.03                      1.75  -0.72     0.68
  SINCE SEP 1      7.39                      7.77  -0.38     5.37
  SINCE JAN 1     44.18                     33.43  10.75    31.29

SNOWFALL (IN)
  YESTERDAY        0.0           4.9  2015   0.1   -0.1      0.0
  MONTH TO DATE    0.2                       0.5   -0.3       T
  SINCE SEP 1      0.2                       0.6   -0.4       T
  SINCE JUL 1      0.2                       0.6   -0.4       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        28     -4       37
  MONTH TO DATE  569                       470     99      308
  SINCE SEP 1    952                      1009    -57      605
  SINCE JUL 1    959                      1023    -64      605

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        4
  SINCE SEP 1    144                        93     51      186
  SINCE JAN 1    828                       820      8     1103
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    13.0


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     46           200 PM
 AVERAGE    64

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        73      1913
 MINIMUM TEMPERATURE (F)   28        -2      1895


SUNRISE AND SUNSET
NOVEMBER 21 2017......SUNRISE   654 AM CST   SUNSET   430 PM CST
NOVEMBER 22 2017......SUNRISE   656 AM CST   SUNSET   429 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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