


Climatological Report (Daily)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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915 CDUS46 KOTX 172358 CLILWS CLIMATE REPORT NATIONAL WEATHER SERVICE SPOKANE WA 458 PM PDT SUN AUG 17 2025 ................................... ...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 86 257 PM 108 2008 90 -4 100 MINIMUM 60 545 AM 45 1946 60 0 61 AVERAGE 73 75 -2 81 PRECIPITATION (IN) TODAY 0.00 0.42 1916 0.01 -0.01 T MONTH TO DATE 0.19 0.25 -0.06 0.26 SINCE OCT 1 9.12 12.01 -2.89 10.93 SINCE JAN 1 5.35 8.57 -3.22 6.52 SNOWFALL (IN) TODAY MM 0.0 1998 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 15 66 -51 28 SINCE JUL 1 0 5 -5 0 COOLING TODAY 8 10 -2 16 MONTH TO DATE 199 204 -5 259 SINCE JUN 1 845 652 193 920 SINCE JAN 1 897 688 209 943 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 2.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 LOWEST 34 AVERAGE 62 .......................................................... THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 90 111 1940 MINIMUM TEMPERATURE (F) 60 47 1946 1959 1973 SUNRISE AND SUNSET AUGUST 17 2025........SUNRISE 550 AM PDT SUNSET 753 PM PDT AUGUST 18 2025........SUNRISE 551 AM PDT SUNSET 752 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$