Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 
000
CXUS53 KILX 011556
CLMDEC


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
938 AM CST TUE JAN 1 2013

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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            72   12/03        MM      MM       59
LOWEST             14   12/22        MM      MM       15
AVG. MAXIMUM     45.3              38.8     6.5     44.4
AVG. MINIMUM     31.0              22.9     8.1     29.8
MEAN             38.2              30.8     7.4     37.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      3               8.0    -5.0        1
DAYS MIN <= 32     18              24.5    -6.5       22
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           2.28              2.54   -0.26     2.25
DAILY AVG.       0.07              0.08   -0.01     0.07
DAYS >= .01        11                MM      MM       11
DAYS >= .10         7                MM      MM        8
DAYS >= .50         1                MM      MM        0
DAYS >= 1.00        0                MM      MM        0
GREATEST
 24 HR. TOTAL    0.95   12/19 TO 12/20              0.76

DEGREE_DAYS
HEATING TOTAL     796              1058    -262      857
 SINCE 7/1       1945              2139    -194     1774
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1427              1048     379     1327
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
HIGHEST WIND SPEED/DIRECTION    40/280    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    58/270    DATE  12/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.