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Climatological Report (Monthly)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
000
CXUS53 KILX 011727
CLMSPI
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1127 AM CST TUE JAN 1 2013
...................................
...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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 74 12/03/2012
12/28/1984
12/03/1970
LOW -21 12/23/1989
HIGHEST 74R 12/03 38 36 59
LOWEST 12 12/22 23 -11 13
AVG. MAXIMUM 45.9 38.3 7.6 44.9
AVG. MINIMUM 30.8 22.5 8.3 30.3
MEAN 38.4 30.4 8.0 37.6
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 6 8.7 -2.7 0
DAYS MIN <= 32 19 24.6 -5.6 21
DAYS MIN <= 0 0 1.6 -1.6 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.94 1982
MINIMUM 0.15 1955
TOTALS 3.28 2.52 0.76 2.62
DAILY AVG. 0.11 0.08 0.03 0.08
DAYS >= .01 11 9.9 1.1 12
DAYS >= .10 8 5.4 2.6 8
DAYS >= .50 3 1.4 1.6 1
DAYS >= 1.00 0 0.6 -0.6 0
GREATEST
24 HR. TOTAL 0.96 12/20 TO 12/20 1.07
SNOWFALL (INCHES)
RECORDS
TOTAL 22.7 1977
TOTALS 4.6 5.6 -1.0 0.1
SINCE 7/1 4.6 6.2 -1.6 0.1
DAYS >= 1.0 2 1.7 0.3 0
GREATEST
SNOW DEPTH 3 12/21 -1
24 HR TOTAL 2.8 MM 0.1
DEGREE_DAYS
HEATING TOTAL 819 1072 -253 843
SINCE 7/1 1880 2140 -260 1753
COOLING TOTAL 1 0 1 0
SINCE 1/1 1535 1122 413 1447
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.8
HIGHEST WIND SPEED/DIRECTION 38/280 DATE 12/20
HIGHEST GUST SPEED/DIRECTION 49/270 DATE 12/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.50
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 14
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 5
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 8 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 3
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
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