Climatological Report (Annual)
Issued by NWS Chicago, IL

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000
CXUS53 KLOT 011456
CLARFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
824 AM CST WED JAN 1 2014

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1936
 LOW              -27   01/10/1982
HIGHEST            96   09/10                        105  07/07
                        08/30
LOWEST            -11   12/24                          0  01/20
                                                          01/19
AVG. MAXIMUM     57.6              59.3    -1.7     63.8
AVG. MINIMUM     38.0              39.2    -1.2     42.3
MEAN             47.8              49.2    -1.4     53.1
DAYS MAX >= 90     15              14.9     0.1       49
DAYS MAX <= 32     65              46.1    18.9       26
DAYS MIN <= 32    154             133.5    20.5      121
DAYS MIN <= 0      10              11.6    -1.6        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        56.48   1973
 MINIMUM        22.87   1910
TOTALS          40.57             36.24    4.33    23.35
DAILY AVG.       0.11              0.10    0.01     0.06
DAYS >= .01       128             119.2     8.8      105
DAYS >= .10        75              67.3     7.7       56
DAYS >= .50        27              23.0     4.0       13
DAYS >= 1.00        9               8.2     0.8        2
GREATEST
 24 HR. TOTAL    4.57   04/17 TO 04/18              2.87

SNOWFALL (INCHES)
RECORDS
 TOTAL           84.3   2008
 24 HR TOTAL       MM
 SNOW DEPTH        27   01/16/1979
TOTALS           57.1              36.7    20.4     24.7
SINCE 7/1        18.7              13.1     5.6      2.1
SNOWDEPTH AVG.      1                MM      MM        0
DAYS >= TRACE      82              28.7    53.3       46
DAYS >= 1.0        20              11.0     9.0        7
GREATEST
 SNOW DEPTH        15   03/06                          7
 24 HR TOTAL      9.6   03/05 TO 03/05               5.1

DEGREE_DAYS
HEATING TOTAL    7035              6569     466     5464
 SINCE 7/1       2788              2561     227     2331
COOLING TOTAL     890               820      70     1227
 SINCE 1/1        890               820      70     1227

FREEZE DATES
RECORD
 EARLIEST     09/13/1975
 LATEST       05/27/1992
EARLIEST                        10/07
LATEST                          05/01
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    43/020    DATE  06/22
HIGHEST GUST SPEED/DIRECTION    55/220    DATE  05/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           83
NUMBER OF DAYS PC            145
NUMBER OF DAYS CLOUDY        137

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             40     MIXED PRECIP               2
HEAVY RAIN               26     RAIN                      44
LIGHT RAIN              123     FREEZING RAIN              1
LT FREEZING RAIN         10     HAIL                       1
HEAVY SNOW                2     SNOW                      22
LIGHT SNOW               78     SLEET                     13
FOG                     187     FOG W/VIS <= 1/4 MILE     16
HAZE                     41

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

&&

RECORDS ESTABLISHED DURING 2013...

JANUARY --
* RECORD HIGH MINIMUM TEMPERATURE OF 40 SET ON THE 11TH
* RECORD HIGH TEMPERATURE OF 62 ON THE 29TH
* RECORD HIGH MINIMUM TEMPERATURE OF 38 ON THE 29TH

FEBRUARY --
* RECORD DAILY PRECIPITATION OF 0.65 INCHES ON THE 7TH

MARCH --
* RECORD DAILY SNOWFALL OF 9.6 INCHES ON THE 5TH

APRIL --
* RECORD DAILY RAINFALL OF 3.06 INCHES ON THE 17TH
* RECORD DAILY RAINFALL OF 1.62 INCHES ON THE 18TH

MAY --
* TIED RECORD HIGH TEMPERATURE OF 92 DEGREES ON 14TH (2007)

JUNE --
* RECORD DAILY RAINFALL OF 2.36 INCHES ON THE 22ND

JULY --
* RECORD DAILY MAXIMUM TEMPERATURE OF 65 DEGREES ON THE 27TH

AUGUST --
NO RECORDS SET

SEPTEMBER --
* TIED RECORD HIGH TEMPERATURE OF 96 DEGREES ON THE 10TH (1931)

OCTOBER --
* TIED RECORD LOW TEMPERATURE OF 23 DEGREES ON THE 25TH (1987)

NOVEMBER --
NO RECORDS SET

DECEMBER --
* RECORD DAILY PRECIPITATION OF 0.56 INCHES ON THE 22ND
* RECORD DAILY SNOWFALL OF 5.0 INCHES ON THE 22ND

YEARLY --
* 5TH SNOWIEST YEAR ON RECORD

&&
RECORDS ESTABLISHED DURING 2013...

JANUARY --
* RECORD HIGH MINIMUM TEMPERATURE OF 42 DEGREES ON THE 11TH
* RECORD HIGH MAXIMUM TEMPERATURE OF 63 DEGREES ON THE 29TH
* RECORD HIGH MINIMUM TEMPERATURE OF 39 DEGREES ON THE 29TH
* RECORD HIGH DAILY PRECIPITATION OF 1.33 INCHES ON THE 29TH

FEBRUARY --
* RECORD DAILY SNOWFALL OF 4.8 INCHES ON THE 26TH

MARCH --
* RECORD DAILY SNOWFALL OF 9.2 INCHES ON THE 5TH
* RECORD DAILY PRECIPITATION OF 0.87 INCHES ON THE 10TH

APRIL --
* WETTEST APRIL ON RECORD WITH 8.68 INCHES
* RECORD DAILY PRECIPITATION OF 2.01 INCHES ONT HE 17TH

MAY --
NO RECORDS SET

JUNE --
* RECORD DAILY PRECIPITATION OF 1.48 INCHES ON THE 26TH

JULY --
* RECORD LOW MAXIMUM TEMPERATURE OF 65 DEGREES ON THE 27TH

AUGUST --
* TIED RECORD HIGH MINIMUM TEMPERATURE OF 77 DEGREES ON 28TH (1973)
* TIED RECORD HIGH TEMPERATURE OF 96 DEGREES ON THE 30TH (1925, 1953)

SEPTEMBER --
* TIED RECORD HIGH TEMPERATURE OF 95 DEGREES ON THE 10TH (1983)

OCTOBER --
NO RECORDS SET

NOVEMBER --
NO RECORDS SET

DECEMBER --
NO RECORDS SET

$$

ACS





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