960
CXUS53 KDMX 011904
CLMALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
105 PM CST SUN NOV 1 2009
...............................
..THE WATERLOO CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 95 10/03/1997
10/06/1963
10/12/1930
LOW 0 10/30/1925
HIGHEST 70 10/21 81 -11 80 10/12
LOWEST 21 10/11 21 0 22 10/28
AVG. MAXIMUM 52.6 62.5 -9.9 62.6
AVG. MINIMUM 36.1 37.8 -1.7 38.2
MEAN 44.4 50.2 -5.8 50.4
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 11 9.6 1.4 7
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.71 1997
MINIMUM 0.04 1975
TOTALS 5.86R 2.49 3.37 1.53
DAILY AVG. 0.19 0.08 0.11 0.05
DAYS >= .01 15 8.0 7.0 10
DAYS >= .10 8 5.0 3.0 4
DAYS >= .50 4 1.5 2.5 1
DAYS >= 1.00 3 0.6 2.4 0
SNOWFALL (INCHES)
RECORDS
TOTAL 6.0 5
0
-26215
TOTALS 0.0 0.1 -0.1 T
SINCE 7/1 0.0 0.1 -0.1 T
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= 1.0 0 0.1 -0.1 0
GREATEST
SNOW DEPTH 0 MM 0 MM
24 HR TOTAL 0.0 MM
DEGREE_DAYS
HEATING TOTAL 634 478 156 454
SINCE 7/1 764 660 104 554
COOLING TOTAL 0 7 -7 9
SINCE 1/1 455 758 -303 679
.............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.3
HIGHEST WIND SPEED/DIRECTION 36/220 DATE 10/30
HIGHEST GUST SPEED/DIRECTION 44/220 DATE 10/30
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 15
AVERAGE RH (PERCENT) 80
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 7
LIGHT RAIN 19 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
WATERLOO SUMMARY FOR OCTOBER...
OCTOBER WAS A RECORD COOL AND WET MONTH FOR WATERLOO...WITH
PRECIPITATION AND TEMPERATURE RECORDS BROKEN THROUGHOUT THE MONTH.
OCTOBER 2009 WAS THE WETTEST OCTOBER ON RECORD WITH 5.86
INCHES OF PRECIPITATION FOR THE MONTH. THE SURPASSED THE OLD RECORD
OF 5.71 INCHES BY 0.15 INCHES. THE PREVIOUS RECORD HAD BEEN SET IN
1997. OCTOBER 1 ALSO BROKE A PRECIPITATION RECORD WITH 1.39 INCHES
OF RAINFALL...WHICH IS THE HIGHEST RAINFALL TOTAL FOR THE DATE. THE
PREVIOUS RECORD WAS 1.17 INCHES OF RAINFALL SET IN 1911.
OCTOBER 2009 TURNED OUT TO BE THE FIFTH COOLEST OCTOBER ON
RECORDED...WITH AN AVERAGE TEMPERATURE OF 44.3 DEGREES...EDGING OUT
OCTOBER 1987 WHICH HAD AN AVERAGE TEMPERATURE OF 45.1 DEGREES. FOUR
OCTOBERS HAVE BEEN COOLER...WITH OCTOBER 1925 REGISTERING AS THE
COLDEST WITH AN AVERAGE TEMPERATURE OF 40.5 DEGREES. THE 1971-2000
AVERAGE TEMPERATURE FOR OCTOBER IS 50.2 DEGREES IN WATERLOO.
OCTOBER 11 EXPERIENCED RECORD COLD MAXIMUM TEMPERATURES. THE HIGH
TEMPERATURE WAS 40 DEGREES...3 DEGREES BELOW THE PREVIOUS RECORD OF
43 DEGREES SET IN 1977.
AW
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