340
CDUS46 KOTX 192345
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
445 PM PDT TUE MAY 19 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 19 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 71 259 PM 92 2023 73 -2 64
MINIMUM 43 345 AM 36 1896 49 -6 41
AVERAGE 57 61 -4 53
PRECIPITATION (IN)
TODAY 0.00 0.56 1885 0.06 -0.06 0.02
MONTH TO DATE 0.20 1.01 -0.81 0.51
SINCE OCT 1 11.26 9.36 1.90 8.78
SINCE JAN 1 7.89 5.92 1.97 5.01
SNOWFALL (IN)
TODAY MM T 1927 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 8 5 3 12
MONTH TO DATE 72 138 -66 111
SINCE MAR 1 1001 1153 -152 961
SINCE JUL 1 4127 4870 -743 4502
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 14 15 -1 8
SINCE MAR 1 14 17 -3 9
SINCE JAN 1 14 17 -3 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79
LOWEST 31
AVERAGE 55
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 2023
MINIMUM TEMPERATURE (F) 49 37 1927
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 510 AM PDT SUNSET 820 PM PDT
MAY 20 2026...........SUNRISE 509 AM PDT SUNSET 821 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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