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CXUS53 KLOT 011636
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1036 AM CST WED JAN 01 2025

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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             69   12/15/2021
                       12/03/2012
 LOW             -24   12/24/1983
HIGHEST           55   12/08                          57  12/08
                                                          12/25
LOWEST             2   12/12                          12  12/19
AVG. MAXIMUM    37.0               34.3     2.7     42.3
AVG. MINIMUM    22.2               20.2     2.0     30.4
MEAN            29.6               27.3     2.3     36.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     8               12.0    -4.0        1
DAYS MIN <= 32    24               27.3    -3.3       16
DAYS MIN <= 0      0                2.4    -2.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.04   1971
 MINIMUM        0.17   1907
TOTALS          1.13               1.93   -0.80     3.13
DAILY AVG.      0.04               0.06   -0.02     0.10
DAYS >= .01        9                9.8    -0.8       12
DAYS >= .10        3                4.6    -1.6        8
DAYS >= .50        0                1.2    -1.2        2
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.45   12/14 TO 12/15               0.73

SNOWFALL (INCHES)
RECORDS
 TOTAL          30.1   2000
TOTALS           4.6                9.4    -4.8      2.8
SINCE 7/1        5.2               11.9    -6.7       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        3                3.0     0.0        1
GREATEST
 SNOW DEPTH        2   12/18                           1  12/05
                       12/20
                       12/21
 24 HR TOTAL     2.4   12/19 TO 12/20                1.5

DEGREE DAYS
HEATING TOTAL   1091               1170     -79      883
 SINCE 7/1      2073               2486    -413       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       958                839     119       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    46/300    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    52/300    DATE  12/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.76
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                8     SLEET                      1
FOG                      14     FOG W/VIS <= 1/4 MILE      6
HAZE                      7

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

$$