Climatological Report (Seasonal)
Issued by NWS

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CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1003 AM CDT FRI JUN 1 2012

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2012 TO 5/31/2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              MM   MM
 LOW               MM   MM
HIGHEST            93   05/28        MM      MM       89
                        05/27
LOWEST             20   03/05        MM      MM       23
AVG. MAXIMUM     72.1              63.1     9.0     64.0
AVG. MINIMUM     47.8              41.7     6.1     43.9
MEAN             59.9              52.4     7.5     53.9
DAYS MAX >= 90      5               0.7     4.3        0
DAYS MAX <= 32      0               1.3    -1.3        0
DAYS MIN <= 32     12              21.9    -9.9       21
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           5.37             10.73   -5.36    13.32
DAILY AVG.       0.06                               0.15
DAYS >= .01        27                MM      MM       35
DAYS >= .10        14                MM      MM       24
DAYS >= .50         3                MM      MM        9
DAYS >= 1.00        0                MM      MM        4
GREATEST
 24 HR. TOTAL    1.05   MM                          2.78

DEGREE_DAYS
HEATING TOTAL     654              1247    -593     1137
 SINCE 7/1       4231              5504   -1273     5444
COOLING TOTAL     224                87     137      137
 SINCE 1/1        224                87     137      137

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    43/210    DATE  03/07
HIGHEST GUST SPEED/DIRECTION    52/190    DATE  03/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           63
NUMBER OF DAYS PC             26
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             14     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      13
LIGHT RAIN               29     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      34     FOG W/VIS <= 1/4 MILE      3
HAZE                     10

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

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