Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 012255 CCA
CLMRFD

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHICAGO IL
712 AM CST THU JAN 1 2015

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/03/2012
 LOW              -24   12/24/1983
HIGHEST            51   12/26        MM      MM       52  12/04
LOWEST              1   12/31        MM      MM      -11  12/24
AVG. MAXIMUM     36.0              33.2     2.8     28.3
AVG. MINIMUM     24.9              17.7     7.2     10.5
MEAN             30.5              25.4     5.1     19.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     10              12.6    -2.6       19
DAYS MIN <= 32     24              27.4    -3.4       30
DAYS MIN <= 0       0               2.9    -2.9        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.04   1971
 MINIMUM         0.17   1907
TOTALS           0.93              1.98   -1.05     1.69
DAILY AVG.       0.03              0.06   -0.03     0.05
DAYS >= .01         6              10.2    -4.2       17
DAYS >= .10         4               5.0    -1.0        4
DAYS >= .50         0               1.1    -1.1        1
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    0.46   12/22 TO 12/23

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.1   2000
TOTALS            0.1              11.3   -11.2     17.7
SINCE 7/1         3.7              13.1    -9.4     18.7
SNOWDEPTH AVG.      0                 4      -4        3
DAYS >= 1.0         0               3.1    -3.1        6
GREATEST
 SNOW DEPTH         0   MM                             7  12/26
                                                          12/27
24 HR TOTAL      0.1   MM


DEGREE_DAYS
HEATING TOTAL    1063              1226    -163     1405
 SINCE 7/1       2610              2561      49     2788
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        729               820     -91      890
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    28/270    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    35/250    DATE  12/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY         25

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                7     SLEET                      2
FOG                      16     FOG W/VIS <= 1/4 MILE      4
HAZE                      8


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

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