309  
CDUS46 KPDT 160845  
CLIPSC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PENDLETON,OR  
145 AM PDT TUE SEP 16 2025  
   
...............................  
 
   
..THE PASCO WA CLIMATE SUMMARY FOR SEPTEMBER 15 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1894 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 347 PM 96 1938 81 -3 73  
MINIMUM 54 1159 PM 32 1921 48 6 50  
AVERAGE 66 65 1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1959 0.01 -0.01 T  
MONTH TO DATE 0.16 0.13 0.03 0.11  
SINCE OCT 1 9.10 7.44 1.66 6.71  
SINCE JAN 1 4.79 4.88 -0.09 3.79  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 0 22 -22 5  
SINCE SEP 1 0 22 -22 5  
SINCE JUL 1 0 30 -30 9  
 
COOLING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 127 48 79 115  
SINCE SEP 1 127 48 79 115  
SINCE JAN 1 1047 770 277 974    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84  
LOWEST 32  
AVERAGE 58  
   
......................................................  
 
THE PASCO WA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1938  
MINIMUM TEMPERATURE (F) 48 34 1936  
1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 636 AM PDT SUNSET 705 PM PDT  
SEPTEMBER 17 2025.....SUNRISE 638 AM PDT SUNSET 703 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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