Climatological Report (Seasonal)
Issued by NWS Central Illinois

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000
CXUS53 KILX 011738
CLSSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1152 AM CDT THU SEP 1 2011

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SUMMER 2011 SEASON,
FROM 6/1/2011 TO 8/31/2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1954
 LOW               39   06/01/2003
HIGHEST            99   08/31        MM      MM       98
                        08/24
LOWEST             52   06/13        MM      MM       54
AVG. MAXIMUM     88.0              84.8     3.2     87.6
AVG. MINIMUM     66.6              63.6     3.0     68.3
MEAN             77.3              74.2     3.1     77.9
DAYS MAX >= 90     40              19.1    20.9       30
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.93   1981
 MINIMUM         3.87   1893
TOTALS           7.65             11.64   -3.99    16.64
DAILY AVG.       0.09                               0.18
DAYS >= .01        26              27.1    -1.1       MM
DAYS >= .10        17              17.4    -0.4       MM
DAYS >= .50         5               7.6    -2.6       MM
DAYS >= 1.00        2               3.0    -1.0       MM
GREATEST
 24 HR. TOTAL    1.35   06/13 TO 06/14              3.18

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
 24 HR TOTAL      0.0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   MM                           0.0

DEGREE_DAYS
HEATING TOTAL       0                20     -20        0
 SINCE 7/1          0                 5      -5        0
COOLING TOTAL    1157               866     291     1215
 SINCE 1/1       1316               970     346     1382

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

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    40/320    DATE  06/04
HIGHEST GUST SPEED/DIRECTION    54/060    DATE  07/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           77
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             24     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      19
LIGHT RAIN               34     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      44     FOG W/VIS <= 1/4 MILE      6
HAZE                     10

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

&&

NO RECORDS SET IN JUN 2011...

RECORDS SET IN JUL 2011...

* TIED FOR 5TH WARMEST JULY

RECORDS SET IN AUG 2011...

* 2ND DRIEST AUGUST WITH 0.25 INCHES
* TIED RECORD HIGH 99F AUG 31

$$








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