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CXUS53 KDLH 021341
CLMDLH
MSPCLMDLH 000
TTAA00 KDLH 011108
CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
451 AM CST SUN NOV 1 2009
...............................
..THE DULUTH 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
............................................................
TEMPERATURE (F)
RECORD
HIGH 86 10/02/1953
LOW 8 10/27/1976
10/31/1951
10/30/1925
HIGHEST 56 10/30 MM MM 66 10/30
10/18
LOWEST 22 10/14 MM MM 24 10/28
10/11
AVG. MAXIMUM 44.8 52.5 -7.7 52.5
AVG. MINIMUM 33.3 34.5 -1.2 36.6
MEAN 39.0 43.5 -4.5 44.6
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.0 -1.0 0
DAYS MIN <= 32 14 12.0 2.0 7
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.53 1949
MINIMUM 0.09 1895
TOTALS 4.60 2.46 2.14 2.95
DAILY AVG. 0.15 0.08 0.07 0.10
DAYS >= .01 19 10.6 8.4 11
DAYS >= .10 10 5.2 4.8 6
DAYS >= .50 3 1.5 1.5 2
DAYS >= 1.00 0 0.4 -0.4 0
GREATEST
24 HR. TOTAL 1.05 10/07 TO 10/07
SNOWFALL (INCHES)
RECORDS
TOTAL 14.0 5
0
-26215
TOTALS 3.7 1.6 2.1 0.2
SINCE 7/1 3.7 1.7 2.0 0.2
SNOWDEPTH AVG. 0 0 0 0
DAYS >= 1.0 2 1.0 1.0 0
GREATEST
SNOW DEPTH 1 10/22 0 MM
10/10
24 HR TOTAL 2.1 MM
DEGREE_DAYS
HEATING TOTAL 796 682 114 625
SINCE 7/1 1125 1188 -63 1021
COOLING TOTAL 0 0 0 0
SINCE 1/1 118 189 -71 143
.............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.6
HIGHEST WIND SPEED/DIRECTION 33/100 DATE 10/02
HIGHEST GUST SPEED/DIRECTION 46/100 DATE 10/02
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 16
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 7 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 3
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
OCTOBER 2009 HAS RANKED AS THE 9TH COOLEST ON RECORD. THIS MONTH WAS 2 DAYS
SHY OF THE RECORD NUMBER OF DAYS IN OCTOBER WITH MEASURABLE PRECIPITATION HELD
BY 1995.
THE MAXIMUM TEMPERATURE OF 56 DEGREES F THIS MONTH IS THE COLDEST SINCE
OCTOBER OF 1917.
PRECIP DATA ON 10/10/09 WAS TAKEN AT NWS OFFICE 0.7 MILES WSW OF
ASOS PRIMARY SENSOR GROUP.
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