146  
CDUS46 KOTX 190824  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE, WA  
121 AM PDT SUN MAY 19 2019  
 
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 18 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1881 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 340 PM 97 2006 72 -3 71  
MINIMUM 53 1159 PM 34 1965 48 5 57  
1896  
AVERAGE 61 60 1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1991 0.06 -0.06 0.99  
MONTH TO DATE 0.58 0.90 -0.32 2.26  
SINCE OCT 1 10.94 8.34 2.60 13.08  
SINCE JAN 1 7.72 5.23 2.49 7.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.7 0.7 1.0 T  
SINCE JUL 1 33.5 10.5 23.0 14.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 6 -2 1  
MONTH TO DATE 67 153 -86 47  
SINCE MAR 1 1241 1178 63 1017  
SINCE JUL 1 5076 5033 43 4728  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 12 15 -3 22  
SINCE MAR 1 13 17 -4 27  
SINCE JAN 1 13 17 -4 27    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1200 AM  
LOWEST 42 100 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1929  
1928  
MINIMUM TEMPERATURE (F) 48 36 1896  
 
 
SUNRISE AND SUNSET  
MAY 19 2019...........SUNRISE 510 AM PDT SUNSET 819 PM PDT  
MAY 20 2019...........SUNRISE 509 AM PDT SUNSET 821 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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