Climatological Report (Seasonal)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011559
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1059 AM CDT WED SEP 01 2021

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2021 TO 8/31/2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            112   07/14/1936
 LOW              35   06/05/1945
                       06/04/1945
                       08/30/1915
HIGHEST           99   06/11         MM      MM       95  08/27
                                                          08/24
                                                          08/25
LOWEST            48   06/22         MM      MM       51  08/05
                                                          06/15
AVG. MAXIMUM    86.0               82.2     3.8     86.0
AVG. MINIMUM    64.3               61.7     2.6     63.4
MEAN            75.1               71.9     3.2     74.7
DAYS MAX >= 90    30               12.5    17.5       23
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       25.76   1972
 MINIMUM        3.82   1927
TOTALS          7.14              13.23   -6.09     7.37
DAILY AVG.      0.08               0.14   -0.06     0.08
DAYS >= .01       31               29.8     1.2       22
DAYS >= .10       16               20.0    -4.0       12
DAYS >= .50        3                8.7    -5.7        7
DAYS >= 1.00       1                3.6    -2.6        2
GREATEST
 24 HR. TOTAL   2.52   08/09 TO 08/09               1.16

DEGREE DAYS
HEATING TOTAL      4                 39     -35        5
 SINCE 7/1         0                  6      -6        0
COOLING TOTAL    960                678     282      921
 SINCE 1/1      1060                739     321      977
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    41/240    DATE  08/11
HIGHEST GUST SPEED/DIRECTION    60/210    DATE  08/11

SKY COVER
AVERAGE SKY COVER           0.54


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             21     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      10
LIGHT RAIN               41     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      38     FOG W/VIS <= 1/4 MILE      2
HAZE                     31

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

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