Climatological Report (Daily)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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193
CDUS46 KOTX 190834
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
134 AM PDT SAT SEP 19 2026
...................................
...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 80 353 PM 101 1938 79 1 90
MINIMUM 52 530 AM 35 1965 52 0 59
AVERAGE 66 65 1 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.78 1940 0.02 -0.02 0.00
MONTH TO DATE 1.56 0.33 1.23 0.93
SINCE OCT 1 14.02 12.60 1.42 10.15
SINCE JAN 1 10.65 9.16 1.49 6.38
SNOWFALL (IN)
YESTERDAY 0.0 0.0 1998 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 40 28 12 4
SINCE SEP 1 40 28 12 4
SINCE JUL 1 41 39 2 4
COOLING
YESTERDAY 1 3 -2 10
MONTH TO DATE 21 83 -62 173
SINCE SEP 1 21 83 -62 173
SINCE JAN 1 895 889 6 1273
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 3.7
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 86 600 AM
LOWEST 31 400 PM
AVERAGE 59
..........................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 100 1922
MINIMUM TEMPERATURE (F) 51 30 1895
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 631 AM PDT SUNSET 651 PM PDT
SEPTEMBER 20 2026.....SUNRISE 633 AM PDT SUNSET 649 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$