Climatological Report (Seasonal)
Issued by NWS Central Illinois

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CXUS53 KILX 011643
CLSPIA



CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1029 AM CST TUE MAR 1 2011

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2010 TO 2/28/2011...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1879 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              78   02/24/1930
 LOW              -24   02/13/1905
HIGHEST            68   02/17        MM      MM       58
LOWEST            -10   01/21        MM      MM      -10
AVG. MAXIMUM     34.3              36.7    -2.4     32.9
AVG. MINIMUM     19.6              20.6    -1.0     19.0
MEAN             27.0              28.7    -1.7     26.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     45              31.2    13.8       37
DAYS MIN <= 32     82              74.0     8.0       77
DAYS MIN <= 0       5               8.4    -3.4        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.21   1882
 MINIMUM         1.67   1920
TOTALS           5.43              5.96   -0.53     7.90
DAILY AVG.       0.06                               0.09
DAYS >= .01        33              27.5     5.5       35
DAYS >= .10        16              13.6     2.4       19
DAYS >= .50         2               3.3    -1.3        4
DAYS >= 1.00        0               1.1    -1.1        2
GREATEST
 24 HR. TOTAL    0.94   MM                          1.53

SNOWFALL (INCHES)
RECORDS
 TOTAL           45.0   1982
 24 HR TOTAL     15.0   02/28/1900 TO 02/28/1900
TOTALS           34.2              18.9    15.3     23.7
SINCE 7/1        34.2              20.5    13.7     23.7
SNOWDEPTH AVG.      2                                  2
DAYS >= TRACE      38              15.0    23.0       37
DAYS >= 1.0         9               5.5     3.5        8
GREATEST
 SNOW DEPTH        11   02/02                          6
 24 HR TOTAL      8.6   MM                           3.8

DEGREE_DAYS
HEATING TOTAL    3412              3375      37     3496
 SINCE 7/1       4286              4354     -68     4435
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    40/300    DATE  02/27
HIGHEST GUST SPEED/DIRECTION    49/290    DATE  02/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           30
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY         36

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               11     FREEZING RAIN              3
LT FREEZING RAIN          7     HAIL                       0
HEAVY SNOW                3     SNOW                       5
LIGHT SNOW               37     SLEET                      1
FOG                      49     FOG W/VIS <= 1/4 MILE      4
HAZE                     31

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

&&

RECORDS ESTABLED FOR THE WINTER SEASON
*5TH SNOWIEST WINTER WITH 34.2 INCHES

$$







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