CXUS53 KLOT 011547
CLARFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
947 AM CST THU JAN 01 2026

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2025

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             -31   01/31/2019
HIGHEST           94   05/15                          98  08/27
                       06/22
LOWEST           -11   02/18                         -16  01/15
                       01/21
AVG. MAXIMUM    60.8               58.8     2.0     63.3
AVG. MINIMUM    39.5               40.0    -0.5     42.4
MEAN            50.1               49.4     0.7     52.8
DAYS MAX >= 90    20               14.8     5.2       18
DAYS MAX <= 32    57               50.0     7.0       26
DAYS MIN <= 32   135              135.8    -0.8      112
DAYS MIN <= 0     16               11.5     4.5        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       56.48   1973
 MINIMUM       22.87   1910
TOTALS         27.74              37.24   -9.50    35.49
DAILY AVG.      0.08               0.10   -0.02     0.10
DAYS >= .01      103              120.7   -17.7      109
DAYS >= .10       51               69.0   -18.0       64
DAYS >= .50       19               23.6    -4.6       20
DAYS >= 1.00       7                8.8    -1.8        8
GREATEST
 24 HR. TOTAL   1.79   06/18 TO 06/19               3.68

SNOWFALL (INCHES)
RECORDS
 TOTAL          84.3   2008
TOTALS          31.1               37.1    -6.0     28.2
SINCE 7/1       19.2               11.9     7.3      5.2
DAYS >= 1.0        8               11.1    -3.1        9
GREATEST
 SNOW DEPTH        9   11/30                          10  01/13
                       12/07
                                                          01/14
 24 HR TOTAL     8.0   11/29 TO 11/29                7.0

DEGREE DAYS
HEATING TOTAL   6304               6497    -193     5310
 SINCE 7/1      2439               2486     -47     2073
COOLING TOTAL   1015                838     177      958
 SINCE 1/1      1015                839     176      958
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    44/200    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    63/210    DATE  03/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           74
NUMBER OF DAYS PC            165
NUMBER OF DAYS CLOUDY        126

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             39     MIXED PRECIP               0
HEAVY RAIN               18     RAIN                      37
LIGHT RAIN              130     FREEZING RAIN              0
LT FREEZING RAIN         10     HAIL                       3
HEAVY SNOW                3     SNOW                       8
LIGHT SNOW               56     SLEET                      0
FOG                     158     FOG W/VIS <= 1/4 MILE     12
HAZE                     65

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

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