717
CDUS46 KOTX 190839
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
139 AM PDT TUE MAY 19 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 18 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 68 418 PM 97 2006 73 -5 62
MINIMUM 41 458 AM 34 1896 49 -8 47
1965
AVERAGE 55 61 -6 55
PRECIPITATION (IN)
YESTERDAY T 1.32 1991 0.05 -0.05 T
MONTH TO DATE 0.20 0.95 -0.75 0.49
SINCE OCT 1 11.26 9.30 1.96 8.76
SINCE JAN 1 7.89 5.86 2.03 4.99
SNOWFALL (IN)
YESTERDAY 0.0 0.0 1995 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 10 5 5 10
MONTH TO DATE 64 133 -69 99
SINCE MAR 1 993 1148 -155 949
SINCE JUL 1 4119 4865 -746 4490
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 14 14 0 8
SINCE MAR 1 14 16 -2 9
SINCE JAN 1 14 16 -2 9
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 29 400 PM
AVERAGE 61
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 2023
MINIMUM TEMPERATURE (F) 49 36 1896
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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