Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011505
CLMRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
856 AM CST THU FEB 1 2018

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2018

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              -27   01/10/1982
HIGHEST            54   01/22        49       5       55  01/21
LOWEST            -16   01/06        24     -40       -1  01/06
AVG. MAXIMUM     29.7              29.5     0.2     33.6
AVG. MINIMUM     12.4              13.5    -1.1     21.5
MEAN             21.1              21.5    -0.4     27.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     17              17.3    -0.3       10
DAYS MIN <= 32     29              29.0     0.0       23
DAYS MIN <= 0       8               5.5     2.5        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.80   1946
 MINIMUM         0.12   1921
TOTALS           1.34              1.37   -0.03     2.25
DAILY AVG.       0.04              0.04    0.00     0.07
DAYS >= .01         8               9.4    -1.4       11
DAYS >= .10         2               4.0    -2.0        5
DAYS >= .50         1               0.5     0.5        1
DAYS >= 1.00        1               0.1     0.9        1
GREATEST
 24 HR. TOTAL    1.00   01/22 TO 01/22           01/16 TO 01/17
                                                          01/25 TO 01/25
                                                          01/25 TO 01/25

SNOWFALL (INCHES)
RECORDS
 TOTAL           36.1   1918
TOTALS            6.0              10.2    -4.2      0.7
SINCE 7/1        10.9              23.3   -12.4     16.8
SNOWDEPTH AVG.      1                 5      -4        0
DAYS >= 1.0         2               3.3    -1.3
GREATEST
 SNOW DEPTH         5   01/17
                        01/16
 24 HR TOTAL      3.4   01/15 TO 01/15

DEGREE_DAYS
HEATING TOTAL    1353              1351       2     1153
 SINCE 7/1       3812              3909     -97     3292
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
......................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    28/170    DATE  01/30
HIGHEST GUST SPEED/DIRECTION    35/170    DATE  01/30


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               12     SLEET                      0
FOG                      15     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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