Climatological Report (Seasonal)
Issued by NWS Central Illinois

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CXUS53 KILX 011935
CLSSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
135 PM CST WED DEC 1 2010

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2010 TO 11/30/2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1879 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   09/01/1984
 LOW               -3   11/30/1964
HIGHEST            91   09/21        MM      MM       85
LOWEST             22   11/26        MM      MM       26
                        11/06
AVG. MAXIMUM     69.3              65.3     4.0     65.0
AVG. MINIMUM     44.7              44.5     0.2     46.2
MEAN             57.0              54.9     2.1     55.6
DAYS MAX >= 90      4               3.3     0.7        0
DAYS MAX <= 32      0               1.3    -1.3        0
DAYS MIN <= 32     19              18.2     0.8        7
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.55   1926
 MINIMUM         2.67   1910
TOTALS          10.72              8.32    2.40    16.98
DAILY AVG.       0.12                               0.19
DAYS >= .01        22              26.1    -4.1       32
DAYS >= .10        16              16.2    -0.2       22
DAYS >= .50         7               5.4     1.6       12
DAYS >= 1.00        2               1.7     0.3        5
GREATEST
 24 HR. TOTAL    3.56   09/01 TO 09/02              2.85

SNOWFALL (INCHES)
RECORDS
 TOTAL           12.1   1951
 24 HR TOTAL      7.8   11/06/1951
TOTALS              T               1.6    -1.6      0.0
SINCE 7/1           T               1.6    -1.6      0.0
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       2               1.7     0.3        0
DAYS >= 1.0         0               0.5    -0.5        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL        T   11/30                        0.0
                        11/24

DEGREE_DAYS
HEATING TOTAL     874              1021    -147      927
 SINCE 7/1        874              1075    -201      939
COOLING TOTAL     172               162      10       93
 SINCE 1/1       1554              1165     389      928

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

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  10/26
HIGHEST GUST SPEED/DIRECTION    47/180    DATE  10/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           67
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      16
LIGHT RAIN               28     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      1
FOG                      33     FOG W/VIS <= 1/4 MILE      2
HAZE                     12

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

&&

RECORDS ESTABLISHED DURING THE PERIOD:

SEPTEMBER --
- 6TH WETTEST SEPTEMBER ON RECORD
- RECORD DAILY RAINFALL OF 3.55 INCHES ON THE 2ND

OCTOBER --
- RECORD OCTOBER LOW BAROMETRIC PRESSURE OF 29.03 INCHES ON THE 26TH

NOVEMBER --
- RECORD HIGH TEMPERATURE OF 75 DEGREES ON THE 12TH
- TIED RECORD HIGH TEMPERATURE OF 74 DEGREES ON THE 22ND

$$
GEELHART





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