871
CDUS46 KOTX 180837
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
137 AM PDT SAT APR 18 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR APRIL 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 55 502 PM 90 1936 62 -7 63
MINIMUM 37 510 AM 25 1964 41 -4 37
AVERAGE 46 52 -6 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.61 1947 0.05 -0.05 0.00
MONTH TO DATE 1.73 0.82 0.91 0.46
SINCE OCT 1 10.55 7.73 2.82 8.15
SINCE JAN 1 7.18 4.29 2.89 4.38
SNOWFALL (IN)
YESTERDAY 0.0 0.4 1972 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 19 14 5 15
MONTH TO DATE 224 257 -33 222
SINCE MAR 1 777 865 -88 725
SINCE JUL 1 3903 4582 -679 4266
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
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 1100 PM
LOWEST 32 500 PM
AVERAGE 52
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 90 1897
1910
MINIMUM TEMPERATURE (F) 41 26 1964
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 556 AM PDT SUNSET 740 PM PDT
APRIL 19 2026.........SUNRISE 554 AM PDT SUNSET 741 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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