610
CXUS53 KLOT 011622
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1122 AM CDT SUN JUN 01 2025

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2025 TO 5/31/2025...

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            106   05/31/1934
 LOW             -11   03/03/2014
                       03/04/2002
                       03/01/1962
HIGHEST           94   05/15                          90  05/21
LOWEST            12   03/02                          22  03/23
AVG. MAXIMUM    62.6               59.1     3.5     64.2
AVG. MINIMUM    38.7               38.7    -0.0     41.6
MEAN            50.6               48.9     1.7     52.9
DAYS MAX >= 90     1                1.0     0.0        1
DAYS MAX <= 32     1                4.0    -3.0        0
DAYS MIN <= 32    28               29.9    -1.9       22
DAYS MIN <= 0      0                0.4    -0.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.43   1973
 MINIMUM        3.13   1934
TOTALS          7.15              10.33   -3.18    12.43
DAILY AVG.      0.08               0.11   -0.03     0.14
DAYS >= .01       27               35.5    -8.5       35
DAYS >= .10       16               20.1    -4.1       24
DAYS >= .50        5                6.6    -1.6        6
DAYS >= 1.00       2                2.6    -0.6        3
GREATEST
 24 HR. TOTAL   1.12   04/02 TO 04/02               1.93

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.5   1923
TOTALS           4.2                5.8    -1.6      6.1
SINCE 7/1       17.1               37.1   -20.0     27.3
DAYS >= 1.0        1                2.0    -1.0        1
GREATEST
 SNOW DEPTH        3   03/16                           5  03/23
 24 HR TOTAL     4.1   03/16 TO 03/16                5.6

DEGREE DAYS
HEATING TOTAL   1334               1541    -207     1157
 SINCE 7/1      5929               6468    -539     5331
COOLING TOTAL     38                 61     -23       68
 SINCE 1/1        38                 61     -23       68
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
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           0.65
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             42
NUMBER OF DAYS CLOUDY         38

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      10
LIGHT RAIN               44     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       3
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                9     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      3
HAZE                     18

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

$$