Climatological Report (Seasonal)
Issued by NWS Central Illinois

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CXUS53 KILX 011651
CLSSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1038 AM CST THU DEC 1 2011

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2011 TO 11/30/2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             102   09/01/2011
 LOW               -3   11/30/1964
HIGHEST           102R  09/01        MM      MM       91
LOWEST             23   11/30        MM      MM       22
AVG. MAXIMUM     67.5              65.9     1.6     69.3
AVG. MINIMUM     44.9              44.1     0.8     44.7
MEAN             56.2              55.0     1.2     57.0
DAYS MAX >= 90      3               2.5     0.5        4
DAYS MAX <= 32      0               1.2    -1.2        0
DAYS MIN <= 32     10              17.2    -7.2       19
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.55   1926
 MINIMUM         2.67   1910
TOTALS           6.18              9.26   -3.08    10.72
DAILY AVG.       0.07                               0.12
DAYS >= .01        27              25.5     1.5       22
DAYS >= .10        13              16.2    -3.2       16
DAYS >= .50         4               6.2    -2.2        7
DAYS >= 1.00        1               2.3    -1.3        2
GREATEST
 24 HR. TOTAL    1.34   MM                          3.56

SNOWFALL (INCHES)
RECORDS
 TOTAL           12.1   1951
 24 HR TOTAL      7.8   11/06/1951 TO 11/06/1951
TOTALS            0.0               0.6    -0.6        T
SINCE 7/1         0.0               0.6    -0.6        T
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       0               0.9    -0.9        2
DAYS >= 1.0         0               0.2    -0.2        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   MM                             T

DEGREE_DAYS
HEATING TOTAL     910              1063    -153      874
 SINCE 7/1        910              1068    -158      874
COOLING TOTAL     131               152     -21      172
 SINCE 1/1       1447              1122     325     1554

FREEZE DATES
RECORD
 EARLIEST     09/20/1991
 LATEST       05/10/1966
EARLIEST                        10/13
LATEST                          04/13
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  11/13
HIGHEST GUST SPEED/DIRECTION    45/210    DATE  11/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           50
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      15
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      34     FOG W/VIS <= 1/4 MILE      9
HAZE                      6

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

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