Climatological Report (Seasonal) Issued by NWS
000
CXUS53 KILX 011509
CLSDEC
CHICLMDEC 000
TTAA00 KILX 011507
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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