Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 040638
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT MON MAY 04 2026

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 3 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         71   4:43 PM  91    1938  66      5       61
  MINIMUM         43   1:11 AM  26    2005  45     -2       40
  AVERAGE         57                        56      1       51

PRECIPITATION (IN)
  YESTERDAY        0.03          1.15 1935   0.12  -0.09     0.04
  MONTH TO DATE    0.03                      0.37  -0.34     0.85
  SINCE MAR 1      9.55                      6.52   3.03     5.83
  SINCE JAN 1     10.49                      9.75   0.74     7.08

SNOWFALL (IN)
  YESTERDAY        0.0           T    1954   0.0    0.0      0.0
                                      1976
                                      1997
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      6.8                       5.8    1.0      4.2
  SINCE JUL 1     30.8                      37.1   -6.3     17.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        8                        10     -2       14
  MONTH TO DATE   54                        30     24       35
  SINCE MAR 1   1098                      1372   -274     1159
  SINCE JUL 1   5922                      6300   -378     5754

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1     15                         7      8        4
  SINCE JAN 1     15                         7      8        4
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    11.7


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           9:00 AM
 LOWEST     33           5:00 PM
 AVERAGE    55

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        92      1952
 MINIMUM TEMPERATURE (F)   45        27      1935


SUNRISE AND SUNSET
MAY  4 2026...........SUNRISE   5:48 AM CDT   SUNSET   7:59 PM CDT
MAY  5 2026...........SUNRISE   5:47 AM CDT   SUNSET   8:00 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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