Climatological Report (Annual)
Issued by NWS Chicago, IL

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000
CXUS53 KLOT 011452
CLARFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
739 AM CST TUE JAN 1 2013

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2012

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           105   07/07        MM      MM      100  07/20
                                                          07/19
LOWEST              0   01/20        MM      MM      -20  02/10
                        01/19
AVG. MAXIMUM     63.8              59.3     4.5     59.4
AVG. MINIMUM     42.3              39.2     3.1     40.9
MEAN             53.1              49.2     3.9     50.2
DAYS MAX >= 90     49              14.9    34.1       27
DAYS MAX <= 32     26              46.1   -20.1       44
DAYS MIN <= 32    121             133.5   -12.5      127
DAYS MIN <= 0       2              11.6    -9.6        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        56.48   1973
 MINIMUM        22.87   1910
TOTALS          23.35             36.24  -12.89    39.04
DAILY AVG.       0.06              0.10   -0.04     0.11
DAYS >= .01       105             119.2   -14.2      128
DAYS >= .10        56              67.3   -11.3       66
DAYS >= .50        13              23.0   -10.0       28
DAYS >= 1.00        2               8.2    -6.2        7
GREATEST
 24 HR. TOTAL    2.87   04/14 TO 04/15              3.95

SNOWFALL (INCHES)
RECORDS
 TOTAL           84.3   2008
 24 HR TOTAL     MM
SNOW DEPTH       27    01/16/1979
TOTALS           24.7              36.7   -12.0     33.8
SINCE 7/1         2.1              13.1   -11.0      1.7
DAYS >= TRACE      46              28.7    17.3       63
DAYS >= 1.0         7              11.0    -4.0        8
GREATEST
 SNOW DEPTH         7   01/22                         19
                        01/21
 24 HR TOTAL      5.1   01/20 TO 01/20              10.9

DEGREE_DAYS
HEATING TOTAL    5464              6569   -1105     6309
COOLING TOTAL    1227               820     407     1019

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    46/260    DATE  08/04
HIGHEST GUST SPEED/DIRECTION    64/340    DATE  07/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR          108
NUMBER OF DAYS PC            145
NUMBER OF DAYS CLOUDY        113

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             41     MIXED PRECIP               3
HEAVY RAIN               19     RAIN                      35
LIGHT RAIN              120     FREEZING RAIN              0
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                2     SNOW                      17
LIGHT SNOW               39     SLEET                     14
FOG                     145     FOG W/VIS <= 1/4 MILE     22
HAZE                     63

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

&&

RECORDS ESTABLISHED DURING 2012...

YEARLY --
* WARMEST YEAR ON RECORD WITH AVERAGE TEMPERATURE OF 53.1 DEGREES

JANUARY --
* RECORD HIGH TEMPERATURE OF 57 SET ON THE 11TH
* RECORD SNOWFALL OF 5.1 INCHES SET ON THE 20TH
* TIED RECORD HIGH TEMPERATURE OF 52 ON THE 30TH

FEBRUARY --
* RECORD SNOWFALL OF 4.0 INCHES SET ON THE 24TH
* RECORD PRECIPITATION OF 0.21 INCHES ON THE 29TH

MARCH --
* TIED RECORD WARM LOW TEMPERATURE OF 47 DEGREES ON THE 7TH
* RECORD HIGH TEMPERATURE OF 79 DEGREES ON THE 14TH
* RECORD HIGH TEMPERATURE OF 82 DEGREES ON THE 15TH
* RECORD WARM LOW TEMPERATURE OF 54 DEGREES ON THE 15TH
* RECORD HIGH TEMPERATURE OF 80 DEGREES ON THE 16TH
* RECORD WARM LOW TEMPERATURE OF 48 DEGREES ON THE 16TH
* RECORD HIGH TEMPERATURE OF 82 DEGREES ON THE 17TH
* RECORD WARM LOW TEMPERATURE OF 57 DEGREES ON THE 17TH
* RECORD HIGH TEMPERATURE OF 81 DEGREES SET ON THE 18TH
* RECORD WARM LOW TEMPERATURE OF 54 DEGREES SET ON THE 18TH
* RECORD HIGH TEMPERATURE OF 78 DEGREES SET ON THE 19TH
* RECORD WARM LOW TEMPERATURE OF 62 DEGREES SET ON THE 19TH
* RECORD HIGH TEMPERATURE OF 83 DEGREES SET ON THE 20TH
* RECORD WARM LOW TEMPERATURE OF 61 DEGREES SET ON THE 20TH
* RECORD HIGH TEMPERATURE OF 84 DEGREES SET ON THE 21ST
* RECORD WARM LOW TEMPERATURE OF 62 DEGREES SET ON THE 21ST
* RECORD HIGH TEMPERATURE OF 79 DEGREES SET ON THE 22ND
* RECORD WARM LOW TEMPERATURE OF 61 DEGREES SET ON THE 22ND
* RECORD WARM LOW TEMPERATURE OF 53 DEGREES SET ON THE 23RD
* WARMEST MARCH ON RECORD WITH AVERAGE TEMPERATURE OF 52.4 DEGREES

APRIL --
* RECORD DAILY PRECIPITATION OF 2.26 INCHES SET ON THE 15TH

MAY --
* TIED RECORD HIGH TEMPERATURE OF 93 DEGREES SET ONT HE 24TH
* RECORD HIGH TEMPERATURE OF 99 DEGREES SET ON THE 27TH
* TIED RECORD WARM LOW TEMPERATURE OF 69 ON THE 28TH
* RECORD LOW HIGH TEMPERATURE OF 52 DEGREES SET ON THE 31ST

JUNE --
* RECORD WARM LOW TEMPERATURE OF 76 SET ON THE 19TH
* TIED RECORD WARM LOW TEMPERATURE OF 73 SET ON THE 20TH

JULY --
* WARMEST JULY ON RECORD WITH 80.8 DEGREE AVERAGE TEMPERATURE
* RECORD WARM LOW TEMPERATURE OF 75 DEGREES SET ON THE 3RD
* RECORD HIGH TEMPERATURE OF 102 DEGREES SET ON THE 4TH
* RECORD HIGH TEMPERATURE OF 102 SET ON THE 5TH
* RECORD HIGH TEMPERATURE OF 104 SET ON THE 6TH
* RECORD WARM LOW TEMPERATURE OF 77 DEGREES SET ON THE 6TH
* TIED RECORD HIGH TEMPERATURE OF 105 DEGREES SET ON THE 7TH
* RECORD HIGH TEMPERATURE OF 99 DEGREES SET ON THE 18TH
* TIED RECORD WARM LOW TEMPERATURE OF 76 DEGREES ON THE 23RD

AUGUST --
NO RECORDS SET

SEPTEMBER --
NO RECORDS SET

OCTOBER --
NO RECORDS SET

NOVEMBER --
NO RECORDS SET

DECEMBER --
* 69 DEGREES SET ON THE 3RD IS THE WARMEST DECEMBER TEMPERATURE ON RECORD
* RECORD HIGH TEMPERATURE OF 69 SET ON THE 3RD
* RECORD DAILY PRECIPITATION OF 1.27 INCHES SET ON THE 20TH



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