Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011524
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1024 AM CDT FRI SEP 01 2023

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   08/16/1988
                       08/05/1918
 LOW              35   08/30/1915
HIGHEST           97   08/23                          94  08/06
                       08/24
LOWEST            50   08/31                          55  08/12
                                                          08/17
AVG. MAXIMUM    81.1               82.0    -0.9     82.4
AVG. MINIMUM    62.0               61.8     0.2     61.8
MEAN            71.6               71.9    -0.3     72.1
DAYS MAX >= 90     3                3.2    -0.2        2
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.98   2007
 MINIMUM        0.21   1922
TOTALS          1.41               4.19   -2.78     8.88
DAILY AVG.      0.05               0.14   -0.09     0.29
DAYS >= .01        5                9.3    -4.3        9
DAYS >= .10        2                6.2    -4.2        7
DAYS >= .50        1                2.6    -1.6        4
DAYS >= 1.00       1                1.3    -0.3        2
GREATEST
 24 HR. TOTAL   1.08   08/14 TO 08/14               3.61

DEGREE DAYS
HEATING TOTAL      3                  8      -5        2
 SINCE 7/1         3                  6      -3       MM
COOLING TOTAL    213                222      -9      233
 SINCE 1/1       673                739     -66       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    29/340    DATE  08/08
HIGHEST GUST SPEED/DIRECTION    42/350    DATE  08/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.46
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      3
HAZE                      0

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

$$


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