087
CDUS46 KOTX 212345
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
445 PM PDT THU MAY 21 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 21 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 74 236 PM 97 1928 74 0 72
MINIMUM 47 501 AM 35 1960 50 -3 47
1971
2010
AVERAGE 61 62 -1 60
PRECIPITATION (IN)
TODAY 0.00 0.85 1932 0.06 -0.06 0.00
MONTH TO DATE 0.20 1.12 -0.92 0.51
SINCE OCT 1 11.26 9.47 1.79 8.78
SINCE JAN 1 7.89 6.03 1.86 5.01
SNOWFALL (IN)
TODAY MM T 1960 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 4 5 -1 5
MONTH TO DATE 79 148 -69 124
SINCE MAR 1 1008 1163 -155 974
SINCE JUL 1 4134 4880 -746 4515
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 14 17 -3 8
SINCE MAR 1 14 19 -5 9
SINCE JAN 1 14 19 -5 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.8
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 80
LOWEST 16
AVERAGE 48
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 97 1940
MINIMUM TEMPERATURE (F) 50 32 1960
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 508 AM PDT SUNSET 822 PM PDT
MAY 22 2026...........SUNRISE 507 AM PDT SUNSET 823 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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