Climatological Report (Seasonal)
Issued by NWS Chicago, IL

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CXUS53 KLOT 012048
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
248 PM CST WED MAR 01 2023

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2022 TO 2/28/2023...

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             70   02/22/2017
                       02/25/2000
 LOW             -31   01/31/2019
HIGHEST           61   12/29                          69  12/15
LOWEST           -11   01/31                         -18  01/26
AVG. MAXIMUM    36.1               32.3     3.8     34.9
AVG. MINIMUM    20.7               17.5     3.2     16.3
MEAN            28.4               24.9     3.5     25.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    30               43.3   -13.3       39
DAYS MIN <= 32    72               82.3   -10.3       85
DAYS MIN <= 0      9               11.2    -2.2        6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.38   1946
 MINIMUM        1.28   2003
TOTALS          8.42               5.16    3.26     4.05
DAILY AVG.      0.10               0.06    0.04     0.05
DAYS >= .01       29               28.6     0.4       28
DAYS >= .10       15               13.2     1.8        9
DAYS >= .50        5                2.8     2.2        2
DAYS >= 1.00       2                0.6     1.4        1
GREATEST
 24 HR. TOTAL   1.73   12/14 TO 12/15               1.23

SNOWFALL (INCHES)
RECORDS
 TOTAL          65.1   2008
TOTALS          18.2               28.8   -10.6     15.7
SINCE 7/1       20.5               31.3   -10.8     15.9
DAYS >= 1.0        5                9.0    -4.0        6
GREATEST
 SNOW DEPTH        8   01/29                           5  01/02
                                                          01/03
                                                          01/04
 24 HR TOTAL     5.1   01/28 TO 01/29                4.8

DEGREE DAYS
HEATING TOTAL   3281               3612    -331     3525
 SINCE 7/1      4557               4928    -371     4589
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    36/240    DATE  02/15
HIGHEST GUST SPEED/DIRECTION    58/250    DATE  02/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.72
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             28
NUMBER OF DAYS CLOUDY         50

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               1
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN               24     FREEZING RAIN              0
LT FREEZING RAIN          5     HAIL                       1
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               36     SLEET                      2
FOG                      51     FOG W/VIS <= 1/4 MILE      5
HAZE                     11

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

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