900  
CXUS56 KPDT 011635  
CLMYKM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PENDLETON OR  
823 AM PST SUN NOV 1 2009  
   
...............................  
 
   
..THE YAKIMA WA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1909 TO 2006  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL  
   
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 89 10/ 7/1917  
LOW 4 10/31/2002  
HIGHEST 69 10/ 7 79 -10 80 10/ 1  
LOWEST 18 10/11 22 -4 23 10/29  
AVG. MAXIMUM 59.0 64.3 -5.3 63.5  
AVG. MINUMUM 33.9 32.9 1.0 34.2  
MEAN 46.5 48.6 -2.1 48.9  
DAYS MAX >= 90 0 0 0 0  
DAYS MAX <= 32 0 0 0 0  
DAYS MIN <= 32 12 13 -1 15  
DAYS MIN <= 0 0 0 0 15  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 2.22 1950  
MINIMUM 0.00 1978  
TOTALS 0.89 0.53 0.36 0.44  
DAILY AVG. 0.03 0.02 0.01 0.01  
DAYS >= 0.01 8 4 4 4  
DAYS >= 0.10 3 2 1 1  
DAYS >= 0.50 0 0 0 0  
DAYS >= 1.00 0 0 0 0  
GREATEST  
24 HR. TOTAL 0.27 10/13  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL T 5  
   
.............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 5.4  
RESULTANT WIND SPEED/DIRECTION 2/298  
HIGHEST WIND SPEED/DIRECTION 35/030 DATE 10/03  
HIGHEST GUST SPEED/DIRECTION 51/220 DATE 10/09  
 
SKY COVER  
 
NUMBER OF DAYS FAIR 14  
NUMBER OF DAYS PC 14  
NUMBER OF DAYS CLOUDY 3  
 
AVERAGE RH (PERCENT) 64  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 3  
LIGHT RAIN 13 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 1 SLEET 0  
FOG 8 FOG W/VIS <= 1/4 MILE 1  
HAZE 6  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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