Climatological Report (Seasonal)
Issued by NWS Chicago, IL

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CXUS53 KLOT 012304
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
504 PM CST MON MAR 01 2021

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2020 TO 2/28/2021...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1905 TO 2021

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           62   12/23         MM      MM       59  12/25
LOWEST           -12   02/17         MM      MM      -10  02/14
AVG. MAXIMUM    32.1               32.2    -0.1     36.9
AVG. MINIMUM    17.0               16.3     0.7     21.4
MEAN            24.5               24.2     0.3     29.2
DAYS MAX >= 90     0                0.0     0.0       MM
DAYS MAX <= 32    35               40.7    -5.7       MM
DAYS MIN <= 32    86               81.5     4.5       MM
DAYS MIN <= 0     13               11.4     1.6       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.38   1946
 MINIMUM        1.28   2003
TOTALS          4.61               4.76   -0.15     4.82
DAILY AVG.      0.05               0.05   -0.00     0.05
DAYS >= .01       27               27.8    -0.8       MM
DAYS >= .10       13               12.6     0.4       MM
DAYS >= .50        4                2.3     1.7       MM
DAYS >= 1.00       0                0.5    -0.5       MM
GREATEST
 24 HR. TOTAL   0.70   12/11 TO 12/11               0.71  01/10 TO 01/10

SNOWFALL (INCHES)
RECORDS
 TOTAL          65.1   2008
TOTALS          32.8               29.2     3.6     19.9
SINCE 7/1       34.5               31.0     3.5     28.7
DAYS >= TRACE     41                 MM      MM       MM
DAYS >= 1.0       12                8.7     3.3       MM
GREATEST
 SNOW DEPTH       17   02/16                           7  01/25
 24 HR TOTAL     5.7   12/29 TO 12/29                3.2

DEGREE DAYS
HEATING TOTAL   3591               3668     -77     3236
 SINCE 7/1      4745               5002    -257       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    33/290    DATE  02/04
HIGHEST GUST SPEED/DIRECTION    48/240    DATE  12/23

SKY COVER
AVERAGE SKY COVER           0.69


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW               41     SLEET                      5
FOG                      33     FOG W/VIS <= 1/4 MILE      5
HAZE                     41

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

$$



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