Climatological Report (Daily)
Issued by NWS Chicago, IL

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646
CDUS43 KLOT 170633
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE SEP 17 2024

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 16 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87   3:52 PM  94    1931  75     12       74
  MINIMUM         58   5:30 AM  34    1916  53      5       58
  AVERAGE         73                        64      9       66

PRECIPITATION (IN)
  YESTERDAY        0.00          2.20 1936   0.12  -0.12     0.08
  MONTH TO DATE    T                         2.05  -2.05     0.67
  SINCE SEP 1      T                         2.05  -2.05     0.67
  SINCE JAN 1     29.48                     28.84   0.64    22.14

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                         3     -3        0
  MONTH TO DATE   26                        30     -4       24
  SINCE SEP 1     26                        30     -4       24
  SINCE JUL 1     35                        41     -6       27

 COOLING
  YESTERDAY        8                         3      5        1
  MONTH TO DATE   54                        63     -9       62
  SINCE SEP 1     54                        63     -9       62
  SINCE JAN 1    889                       802     87      735
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     2.9


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           3:00 AM
 LOWEST     29           4:00 PM
 AVERAGE    63

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        93      1927
                                             1988
 MINIMUM TEMPERATURE (F)   53        35      1916


SUNRISE AND SUNSET
SEPTEMBER 17 2024.....SUNRISE   6:39 AM CDT   SUNSET   7:01 PM CDT
SEPTEMBER 18 2024.....SUNRISE   6:40 AM CDT   SUNSET   7:00 PM CDT


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




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