Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011640
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1040 AM CST THU FEB 01 2024

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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             63   01/07/2008
                       01/31/1989
 LOW             -31   01/31/2019
HIGHEST           40   01/30                          50  01/11
                       01/31
LOWEST           -16   01/15                         -11  01/31
AVG. MAXIMUM    28.4               29.1    -0.7     34.2
AVG. MINIMUM    18.3               14.5     3.8     23.6
MEAN            23.4               21.8     1.6     28.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    14               19.0    -5.0       12
DAYS MIN <= 32    25               29.2    -4.2       24
DAYS MIN <= 0      8                5.6     2.4        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.80   1946
 MINIMUM        0.12   1921
TOTALS          2.28               1.60    0.68     2.07
DAILY AVG.      0.07               0.05    0.02     0.07
DAYS >= .01       15               10.1     4.9       13
DAYS >= .10        5                4.4     0.6        8
DAYS >= .50        2                0.7     1.3        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.82   01/12 TO 01/12               0.42

SNOWFALL (INCHES)
RECORDS
 TOTAL          36.1   1918
TOTALS          15.9               10.9     5.0     11.0
SINCE 7/1       20.2               22.8    -2.6       MM
SNOWDEPTH AVG.     4                                   1
DAYS >= 1.0        4                4.0     0.0        3
GREATEST
 SNOW DEPTH       10   01/13                           8  01/29
                       01/14
 24 HR TOTAL     7.0   01/12 TO 01/12                5.1

DEGREE DAYS
HEATING TOTAL   1285               1339     -54     1109
 SINCE 7/1      3385               3828    -443       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    29/270    DATE  01/13
HIGHEST GUST SPEED/DIRECTION    39/250    DATE  01/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.82
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               17     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

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

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