Climatological Report (Seasonal)
Issued by NWS Chicago, IL

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590
CXUS53 KLOT 021728
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1128 AM CST WED DEC 02 2020

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1905 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            103   09/07/1939
 LOW             -10   11/26/1977
HIGHEST           88   09/02         MM      MM       87
LOWEST            21   11/02         MM      MM        3
AVG. MAXIMUM    63.4               61.9     1.5     59.0
AVG. MINIMUM    42.1               41.1     1.0     42.1
MEAN            52.8               51.5     1.3     50.6
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    16
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.56   1961
 MINIMUM        3.05   1956
TOTALS         10.51               8.60    1.91    14.60
DAYS >= .01       26
DAYS >= .10       17
DAYS >= .50        7
DAYS >= 1.00       2

DEGREE DAYS
HEATING TOTAL   1154               1320    -166
 SINCE 7/1      1154               1336    -182
COOLING TOTAL     65                 93     -28
 SINCE 1/1      1042                820     222
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    38/220    DATE  11/10
HIGHEST GUST SPEED/DIRECTION    73/240    DATE  11/10


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                      13
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                5     SLEET                      0
FOG                      31     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

$$



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