840  
CDUS46 KOTX 210831  
CLIOTX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
1229 AM PST THU DEC 21 2017  
 
   
...............................
 
 
   
..THE SPOKANE WA WFO CLIMATE SUMMARY FOR DECEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1881 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 MM MM MM 30 4 37  
MINIMUM 25 MM MM MM 19 6 27  
AVERAGE 30 25 5 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.08 -0.08 0.22  
MONTH TO DATE 1.95 1.65 0.30 0.78  
SINCE OCT 1 6.35 5.15 1.20 9.55  
SINCE JAN 1 20.72 16.20 4.52 19.96  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.6 -0.6 2.8  
MONTH TO DATE 10.2 10.2 0.0 9.4  
SINCE DEC 1 10.2 10.2 0.0 9.4  
SINCE JUL 1 15.9 18.1 -2.2 11.6  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 40 -5 33  
MONTH TO DATE 715 777 -62 882  
SINCE DEC 1 715 777 -62 882  
SINCE JUL 1 2479 2659 -180 2438  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 413 249 164 229    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
 
THE SPOKANE WA WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 MM MM  
MINIMUM TEMPERATURE (F) 19 MM MM  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2017......SUNRISE 736 AM PST SUNSET 401 PM PST  
DECEMBER 22 2017......SUNRISE 737 AM PST SUNSET 402 PM PST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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