Climatological Report (Daily)
Issued by NWS Spokane, WA

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340
CDUS46 KOTX 170844
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
144 AM PDT MON AUG 17 2026

...................................

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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         94    456 PM 108    2020  90      4       77
                                      2023
  MINIMUM         61    509 AM  46    1935  61      0       65
                                      1937
  AVERAGE         78                        76      2       71

PRECIPITATION (IN)
  YESTERDAY        0.01          0.62 1902   0.02  -0.01     0.04
  MONTH TO DATE    0.07                      0.24  -0.17     0.19
  SINCE OCT 1     12.44                     12.00   0.44     9.12
  SINCE JAN 1      9.07                      8.56   0.51     5.35

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 JUN 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                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     34                        66    -32       15
  SINCE JUL 1      0                         5     -5        0

 COOLING
  YESTERDAY       13                        11      2        6
  MONTH TO DATE  172                       194    -22      191
  SINCE JUN 1    662                       642     20      837
  SINCE JAN 1    697                       678     19      889
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     4.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           800 AM
 LOWEST     20           400 PM
 AVERAGE    47

..........................................................


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       108      2008
 MINIMUM TEMPERATURE (F)   60        45      1946


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   549 AM PDT   SUNSET   754 PM PDT
AUGUST 18 2026........SUNRISE   551 AM PDT   SUNSET   752 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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