Climatological Report (Seasonal)
Issued by NWS Central Illinois

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CXUS53 KILX 020318 CCA
CLSSPI

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE LINCOLN IL
1017 PM CDT SAT JUN 1 2013

ADDED DATES OF MAXIMUM 24-HOUR PRECIPITATION AND SNOWFALL
ADDED SEASONAL TOTAL FOR HEATING DEGREE DAYS
CORRECTED NUMBER OF THUNDERSTORM DAYS
ADDED TABLE OF RECORDS

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2013 TO 5/31/2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   05/31/1934
 LOW              -12   03/05/1960
HIGHEST            89   05/15        MM      MM       91
                        05/14
LOWEST             13   03/03        MM      MM       13
AVG. MAXIMUM     60.0              63.8    -3.8     73.1
AVG. MINIMUM     40.9              42.4    -1.5     49.3
MEAN             50.5              53.1    -2.6     61.2
DAYS MAX >= 90      0               0.9    -0.9        6
DAYS MAX <= 32      4               1.6     2.4        0
DAYS MIN <= 32     29              19.3     9.7       10
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.83   1977
 MINIMUM         4.37   1930
TOTALS          19.30             10.38    8.92    10.44
DAILY AVG.       0.21                               0.11
DAYS >= .01        39              33.7     5.3       26
DAYS >= .10        24              20.2     3.8       19
DAYS >= .50        14               6.7     7.3        7
DAYS >= 1.00        8               2.3     5.7        3
GREATEST
 24 HR. TOTAL    2.27   05/26 TO 05/27              2.33

SNOWFALL (INCHES)
RECORDS
 TOTAL           35.2   1906
 24 HR TOTAL      9.2   03/19/1906
TOTALS           19.6               2.8    16.8      2.8
SINCE 7/1        33.1              20.9    12.2      9.2
DAYS >= TRACE      10               2.2     7.8        1
DAYS >= 1.0         2               0.7     1.3        1
GREATEST
 SNOW DEPTH        16R  03/25                          3
 24 HR TOTAL     17.4R  03/24 TO 03/25               2.8

DEGREE_DAYS
HEATING TOTAL    1448              1198     250      583
 SINCE 7/1       5357              5470    -113     4105
COOLING TOTAL     126               105      21      257
 SINCE 1/1        126               104      22      257

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

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    41/250    DATE  04/18
HIGHEST GUST SPEED/DIRECTION    54/200    DATE  05/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           37
NUMBER OF DAYS PC             26
NUMBER OF DAYS CLOUDY         29

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             17     MIXED PRECIP               0
HEAVY RAIN               14     RAIN                      17
LIGHT RAIN               48     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               10     SLEET                      2
FOG                      43     FOG W/VIS <= 1/4 MILE      3
HAZE                     11

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

&&

RECORDS ESTABLISHED DURING THE PERIOD:

SEASONAL RECORDS (MARCH 1 TO MAY 31)--
- 3RD WETTEST SPRING ON RECORD
- 3RD SNOWIEST SPRING ON RECORD

MARCH RECORDS --
- ALL-TIME RECORD 24 HOUR SNOWFALL OF 17.4 INCHES ON THE 24-25TH
- TIED ALL-TIME RECORD SNOW DEPTH OF 16 INCHES ON THE 25TH
- 8TH SNOWIEST OF ANY MONTH ON RECORD
- 3RD SNOWIEST MARCH ON RECORD
- RECORD DAILY PRECIPITATION OF 1.28 INCHES ON THE 10TH
- RECORD DAILY SNOWFALL OF 17.0 INCHES ON THE 24TH

APRIL RECORDS --
- TIED RECORD DAILY SNOWFALL OF A TRACE ON THE 19TH

MAY RECORDS --
- 2ND WETTEST MAY ON RECORD
- RECORD DAILY RAINFALL OF 2.18 INCHES ON THE 3RD

$$
GEELHART






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