Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011548
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   02/25/2000
 LOW              -25   02/09/1933

HIGHEST            39   02/07        55     -16       44  02/20
                                                          02/18
LOWEST            -16   02/28        29     -45      -21  02/11

AVG. MAXIMUM     21.9              34.2   -12.3     22.0
AVG. MINIMUM      2.4              17.7   -15.3      2.8
MEAN             12.1              25.9   -13.8     12.4

DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              10.7    13.3       24
DAYS MIN <= 32     28              25.0     3.0       27
DAYS MIN <= 0      12               2.9     9.1       13

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.32   1944
 MINIMUM         0.04   1969

TOTALS           0.85              1.41   -0.56     1.76

DAILY AVG.       0.03              0.05   -0.02     0.06
DAYS >= .01         5               8.2    -3.2        8
DAYS >= .10         2               3.6    -1.6        4
DAYS >= .50         1               0.7     0.3        1
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    0.60   02/01 TO 02/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.2   1994

TOTALS           14.7               7.7     7.0     13.5

SINCE 7/1        27.9              31.0    -3.1     47.5
SNOWDEPTH AVG.      6                 4       2        9
DAYS >= 1.0         3               2.3     0.7        5
GREATEST
 SNOW DEPTH        12   02/03                         13  02/18
                        02/05                             02/17
                        02/04
 24 HR TOTAL     10.5   02/01 TO 02/01

DEGREE_DAYS
HEATING TOTAL    1474              1093     381     1467
 SINCE 7/1       5446              5002     444     5892
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    35/010    DATE  02/01
HIGHEST GUST SPEED/DIRECTION    43/340    DATE  02/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               17     SLEET                      1
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

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

&&

RECORDS...

MONTHLY...
SECOND COLDEST MONTHLY AVERAGE TEMPERATURE FOR FEBRUARY WITH 12.1.
  ...COLDEST FEBRUARY AVERAGE TEMPERATURE...1936...10.2 DEGREES.

DAILY...
FEB 19...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 4 ABOVE...
                                 ...OLD RECORD 7 ABOVE IN 1959.
FEB 23...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 9 ABOVE...
                                ...OLD RECORD 17 ABOVE IN 1934.
FEB 26...SET RECORD FOR LOW TEMPERATURE WITH -8...
                   ...OLD RECORD -6 SET IN 1963 AND TIED IN 1994.
FEB 27...TIED RECORD FOR LOW TEMPERATURE OF -15 SET IN 1994.
FEB 27...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 12 ABOVE...
                                   ...OLD RECORD 15 ABOVE IN 2014.
FEB 28...SET RECORD FOR LOW TEMPERATURE WITH -16...
                                         ...OLD RECORD -7 IN 1962.

$$





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