245
CDUS46 KOTX 202331
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
431 PM PDT MON APR 20 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR APRIL 20 2026
VALID AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 77 259 PM 88 1906 63 14 62
1934
1942
MINIMUM 44 453 AM 23 1927 41 3 42
1951
AVERAGE 61 52 9 52
PRECIPITATION (IN)
TODAY 0.00 0.52 1996 0.04 -0.04 0.02
MONTH TO DATE 1.73 0.96 0.77 0.49
SINCE OCT 1 10.55 7.87 2.68 8.18
SINCE JAN 1 7.18 4.43 2.75 4.41
SNOWFALL (IN)
TODAY 0.0 0.5 1961 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.0 0.8 -0.8 0.0
SINCE JUL 1 0.1 12.7 -12.6 11.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 13 -9 13
MONTH TO DATE 250 296 -46 262
SINCE MAR 1 803 904 -101 765
SINCE JUL 1 3929 4621 -692 4306
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 1
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 32
AVERAGE 58
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 91 1906
MINIMUM TEMPERATURE (F) 42 22 1951
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 552 AM PDT SUNSET 743 PM PDT
APRIL 21 2026.........SUNRISE 550 AM PDT SUNSET 744 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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