Climatological Report (Monthly)
Issued by NWS Central Illinois

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000
CXUS53 KILX 011939
CLMSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
944 AM CDT FRI JUN 1 2012

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE MONTH OF MAY 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   05/31/1934
 LOW               28   05/10/1966
HIGHEST            91   05/28        74      17       91
                        05/27
                        05/26
LOWEST             43   05/17        53     -10       35
AVG. MAXIMUM     81.2              74.8     6.4     74.5
AVG. MINIMUM     57.8              52.6     5.2     53.9
MEAN             69.5              63.7     5.8     64.2
DAYS MAX >= 90      6               0.9     5.1        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.1    -0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.81   1899
 MINIMUM         0.32   1934
TOTALS           4.28              4.24    0.04     3.35
DAILY AVG.       0.14              0.14    0.00     0.11
DAYS >= .01         6              11.7    -5.7       10
DAYS >= .10         4               7.3    -3.3        7
DAYS >= .50         3               2.6     0.4        2
DAYS >= 1.00        1               1.1    -0.1        0
GREATEST
 24 HR. TOTAL    2.33   05/20 TO 05/20              0.99
                        05/19 TO 05/20
                        05/20 TO 05/20

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.6   1966
                        1923
TOTALS            0.0               0.0     0.0        T
SINCE 7/1         9.2              20.9   -11.7     34.2
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   05/31 TO 05/31                 T

DEGREE_DAYS
HEATING TOTAL      34               125     -91      163
 SINCE 7/1       4105              5470   -1365     5389
COOLING TOTAL     180                84      96      144
 SINCE 1/1        257               104     153      159
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    32/170    DATE  05/24
HIGHEST GUST SPEED/DIRECTION    44/190    DATE  05/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     60

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

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

&&

MAY 2012 RECORDS ESTABLISHED:
*TIED 10TH WARMEST MAY ON RECORD
*RECORD HIGH TEMPERATURE OF 90 DEGREES ON THE 6TH
*RECORD RAINFALL OF 2.33 INCHES ON THE 20TH

$$








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