731
CDUS46 KOTX 210856
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
156 AM PDT TUE APR 21 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 78 437 PM 88 1906 63 15 62
1934
1942
MINIMUM 44 453 AM 23 1927 41 3 42
1951
AVERAGE 61 52 9 52
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 S (200)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 3.6
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 83 1200 AM
LOWEST 27 400 PM
AVERAGE 55
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 91 1906
MINIMUM TEMPERATURE (F) 42 22 1951
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 550 AM PDT SUNSET 744 PM PDT
APRIL 22 2026.........SUNRISE 549 AM PDT SUNSET 745 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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