Climatological Report (Daily)
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
CDUS43 KLOT 190634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE SEP 19 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 18 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         81    250 PM  92    1920  75      6       81
  MINIMUM         50    533 AM  32    1929  51     -1       53
                                      1916
  AVERAGE         66                        63      3       67

PRECIPITATION (IN)
  YESTERDAY        0.00          2.53 1960   0.11  -0.11     0.00
  MONTH TO DATE    0.07                      2.06  -1.99     1.53
  SINCE SEP 1      0.07                      2.06  -1.99     1.53
  SINCE JAN 1     36.86                     27.72   9.14    27.45

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   50                        40     10        2
  SINCE SEP 1     50                        40     10        2
  SINCE JUL 1     57                        54      3        2

 COOLING
  YESTERDAY        1                         2     -1        2
  MONTH TO DATE   28                        67    -39      106
  SINCE SEP 1     28                        67    -39      106
  SINCE JAN 1    712                       794    -82     1023
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     5.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           300 AM
 LOWEST     26           200 PM
 AVERAGE    61

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1948
                                             1947
                                             1925
 MINIMUM TEMPERATURE (F)   51        34      1929


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   641 AM CDT   SUNSET   658 PM CDT
SEPTEMBER 20 2017.....SUNRISE   642 AM CDT   SUNSET   657 PM CDT


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




$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.