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Climatological Report (Seasonal)
Issued by NWS Central Illinois
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CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
936 PM CST TUE DEC 1 2009

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2009 TO 11/30/2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1879 TO 2009

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            85   09/15        MM      MM       91
LOWEST             26   11/27        MM      MM       16
AVG. MAXIMUM     65.0              65.3    -0.3     64.6
AVG. MINIMUM     46.2              44.5     1.7     44.5
MEAN             55.6              54.9     0.7     54.5
DAYS MAX >= 90      0               3.3    -3.3        2
DAYS MAX <= 32      0               1.3    -1.3        1
DAYS MIN <= 32      7              18.2   -11.2       18
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.55   1926
 MINIMUM         2.67   1910
TOTALS          16.98              8.32    8.66    11.34
DAILY AVG.       0.19                               0.12
DAYS >= .01        32              26.1     5.9       23
DAYS >= .10        22              16.2     5.8       13
DAYS >= .50        12               5.4     6.6        7
DAYS >= 1.00        5               1.7     3.3        3
GREATEST
 24 HR. TOTAL    2.85   MM                          3.18

SNOWFALL (INCHES)
RECORDS
 TOTAL           12.1   1951
 24 HR TOTAL      7.8   11/06/1951 TO 11/06/1951
TOTALS            0.0               1.6    -1.6      1.2
SINCE 7/1         0.0               1.6    -1.6      1.2
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       0               1.7    -1.7        6
DAYS >= 1.0         0               0.5    -0.5        1
GREATEST
 SNOW DEPTH         0   MM                            -1
 24 HR TOTAL      0.0   MM                           1.2

DEGREE_DAYS
HEATING TOTAL     927              1021     -94     1049
 SINCE 7/1        939              1075    -136     1049
COOLING TOTAL      93               162     -69      116
 SINCE 1/1        928              1165    -237      950

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

WIND (MPH)
AVERAGE WIND SPEED              7.1
HIGHEST WIND SPEED/DIRECTION    31/060    DATE  11/17
HIGHEST GUST SPEED/DIRECTION    38/320    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           47
NUMBER OF DAYS PC             23
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN               16     RAIN                      19
LIGHT RAIN               40     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      57     FOG W/VIS <= 1/4 MILE      9
HAZE                     23

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

AUTUMN 2009 RECORDS
* 4TH WETTEST AUTUMN ON RECORD WITH 16.98 INCHES

SEPT 2009
* SEPT 2 TIED RECORD LOW TEMP 48 DEGREES

OCT 2009
* 2ND WETTEST OCT WITH 11.32 INCHES
* OCT 8 DAILY RAINFALL RECORD 2.08 INCHES
* OCT 29 DAILY RAINFALL RECORD 1.89 INCHES

NOV 2009
* 6TH WARMEST NOV WITH MEAN TEMP 48.9 DEGREES

$$
National Weather Service Weather Forecast Office
