Climatological Report (Seasonal)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011741
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1141 AM CST SUN DEC 01 2024

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2024 TO 11/30/2024...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   09/07/1939
 LOW             -10   11/26/1977
HIGHEST           92   09/21                          92  09/03
                                                          09/04
LOWEST            11   11/30                          12  11/28
AVG. MAXIMUM    67.2               61.6     5.6     63.3
AVG. MINIMUM    43.5               42.0     1.5     42.5
MEAN            55.4               51.8     3.6     52.9
DAYS MAX >= 90     2                2.0     0.0        2
DAYS MAX <= 32     3                3.0     0.0        3
DAYS MIN <= 32    16               23.5    -7.5       26
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.56   1961
 MINIMUM        3.05   1956
TOTALS          4.88               8.52   -3.64     7.86
DAILY AVG.      0.06               0.09   -0.03     0.09
DAYS >= .01       16               26.8   -10.8       26
DAYS >= .10        9               15.7    -6.7       17
DAYS >= .50        3                5.5    -2.5        2
DAYS >= 1.00       1                2.0    -1.0        1
GREATEST
 24 HR. TOTAL   1.31   09/22 TO 09/22               2.90

SNOWFALL (INCHES)
RECORDS
 TOTAL          15.8   2018
TOTALS           0.6                2.5    -1.9      1.5
SINCE 7/1        0.6                2.5    -1.9      1.5
DAYS >= 1.0        0                1.0    -1.0        1
GREATEST
 SNOW DEPTH        0                                   1  11/27
                                                          11/28
                                                          11/29
 24 HR TOTAL     0.6   11/20 TO 11/21                1.5

DEGREE DAYS
HEATING TOTAL    973               1305    -332     1214
 SINCE 7/1       982               1317    -335     1217
COOLING TOTAL    123                100      23      132
 SINCE 1/1       958                839     119      805
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
HIGHEST WIND SPEED/DIRECTION    37/250    DATE  10/31
HIGHEST GUST SPEED/DIRECTION    53/250    DATE  10/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.52
NUMBER OF DAYS FAIR           36
NUMBER OF DAYS PC             25
NUMBER OF DAYS CLOUDY         30

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               26     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      0
FOG                      40     FOG W/VIS <= 1/4 MILE      3
HAZE                     10

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

$$