509  
CDUS46 KOTX 192345  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
445 PM PDT SAT APR 19 2025  
   
...............................  
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR APRIL 19 2025  
 
VALID AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 259 PM 87 1908 63 -1 65  
MINIMUM 42 248 AM 20 1966 41 1 33  
AVERAGE 52 52 0 49  
 
PRECIPITATION (IN)  
TODAY 0.01 0.65 2019 0.05 -0.04 0.00  
MONTH TO DATE 0.47 0.92 -0.45 1.11  
SINCE OCT 1 8.16 7.83 0.33 8.96  
SINCE JAN 1 4.39 4.39 -0.00 4.55  
 
SNOWFALL (IN)  
TODAY MM 0.2 1961 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE MAR 1 0.0 0.8 -0.8 T  
SINCE JUL 1 11.6 12.7 -1.1 13.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 13 13 0 16  
MONTH TO DATE 250 283 -33 237  
SINCE MAR 1 753 891 -138 808  
SINCE JUL 1 4294 4608 -314 4238  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66  
LOWEST 47  
AVERAGE 57  
   
......................................................  
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 88 1906  
1934  
1942  
MINIMUM TEMPERATURE (F) 41 23 1927  
1951  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 553 AM PDT SUNSET 742 PM PDT  
APRIL 20 2025.........SUNRISE 552 AM PDT SUNSET 743 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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