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CXUS53 KLSX 011946
CLMSTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
117 PM CST SUN NOV 1 2009
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..THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1870 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 10/03/2006
10/11/1963
10/02/1953
LOW 21 10/30/1925
HIGHEST 77 10/20 75 2 84 10/12
LOWEST 34 10/18 43 -9 29 10/28
AVG. MAXIMUM 61.3 68.3 -7.0 68.3
AVG. MINIMUM 46.1 48.2 -2.1 48.3
MEAN 53.7 58.3 -4.6 58.3
DAYS MAX >= 90 0 0.1 -0.1 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 1.3 -1.3 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.52 1919
MINIMUM 0.21 1975
TOTALS 12.38R 2.76 9.62 1.23
DAILY AVG. 0.40 0.09 0.31 0.04
DAYS >= .01 15 8.5 6.5 4
DAYS >= .10 13 5.1 7.9 4
DAYS >= .50 9 1.8 7.2 1
DAYS >= 1.00 5 0.6 4.4 0
GREATEST
24 HR. TOTAL 2.88 10/08 TO 10/09
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 0.3 1913
24 HR TOTAL 0.3 10/29/1913 TO 10/29/1913
SNOW DEPTH MM MM
TOTALS 0.0 T 0.0 0.0
LIQUID EQUIV 0.00 MM MM 0.00
SINCE 7/1 0.0 T 0.0 0.0
LIQUID 7/1 0.00 MM MM 0.00
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL 0.0
STORM TOTAL MM
(MM/DD(HH)) MM
DEGREE_DAYS
HEATING TOTAL 342 246 96 229
SINCE 7/1 364 293 71 244
COOLING TOTAL 0 36 -36 30
SINCE 1/1 1451 1558 -107 1465
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST MM
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WIND (MPH)
AVERAGE WIND SPEED 9.1
RESULTANT WIND SPEED/DIRECTION 2/211
HIGHEST WIND SPEED/DIRECTION 31/280 DATE 10/06
HIGHEST GUST SPEED/DIRECTION 44/290 DATE 10/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 11
LIGHT RAIN 18 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 1
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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