Climatological Report (Daily)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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054
CDUS46 KOTX 180836
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
136 AM PDT TUE AUG 18 2026
...................................
...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 94 334 PM 108 2008 90 4 86
MINIMUM 65 537 AM 45 1946 60 5 60
AVERAGE 80 75 5 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.42 1916 0.01 -0.01 0.00
MONTH TO DATE 0.07 0.25 -0.18 0.19
SINCE OCT 1 12.44 12.01 0.43 9.12
SINCE JAN 1 9.07 8.57 0.50 5.35
SNOWFALL (IN)
YESTERDAY 0.0 0.0 1998 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 34 66 -32 15
SINCE JUL 1 0 5 -5 0
COOLING
YESTERDAY 15 10 5 8
MONTH TO DATE 187 204 -17 199
SINCE JUN 1 677 652 25 845
SINCE JAN 1 712 688 24 897
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 200 AM
LOWEST 18 600 PM
AVERAGE 40
..........................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 111 1940
MINIMUM TEMPERATURE (F) 60 47 1946
1959
1973
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 551 AM PDT SUNSET 752 PM PDT
AUGUST 19 2026........SUNRISE 552 AM PDT SUNSET 750 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$