Climatological Report (Seasonal)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011556
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1056 AM CDT THU JUN 01 2023

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2023 TO 5/31/2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2023

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           89   05/31                          94  05/11
LOWEST            11   03/18                           8  03/12
AVG. MAXIMUM    60.9               59.1     1.8     59.6
AVG. MINIMUM    37.3               38.7    -1.4     39.7
MEAN            49.1               48.9     0.2     49.6
DAYS MAX >= 90     0                0.8    -0.8        5
DAYS MAX <= 32     2                3.8    -1.8        3
DAYS MIN <= 32    35               29.9     5.1       29
DAYS MIN <= 0      0                0.4    -0.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.43   1973
 MINIMUM        3.13   1934
TOTALS          7.98              10.33   -2.35     9.94
DAILY AVG.      0.09               0.11   -0.02     0.11
DAYS >= .01       32               35.5    -3.5       41
DAYS >= .10       19               20.1    -1.1       22
DAYS >= .50        7                6.6     0.4        5
DAYS >= 1.00       0                2.6    -2.6        1
GREATEST
 24 HR. TOTAL   1.06   04/04 TO 04/05               1.16

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.5   1923
TOTALS          15.0                5.8     9.2      6.0
SINCE 7/1       35.5               37.1    -1.6     21.9
DAYS >= 1.0        3                1.6     1.4        3
GREATEST
 SNOW DEPTH        7   03/10                           1  03/07
                                                          03/31
                                                          04/18
 24 HR TOTAL     7.4R                                1.7

DEGREE DAYS
HEATING TOTAL   1486               1541     -55     1525
 SINCE 7/1      6043               6468    -425     6114
COOLING TOTAL     48                 61     -13      136
 SINCE 1/1        48                 61     -13      136
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    36/250    DATE  03/31
HIGHEST GUST SPEED/DIRECTION    58/240    DATE  03/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.62
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         34

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                      12
LIGHT RAIN               36     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       5
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               15     SLEET                      2
FOG                      34     FOG W/VIS <= 1/4 MILE      3
HAZE                      5

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

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