Climatological Report (Daily)
Issued by NWS Spokane, WA

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915
CDUS46 KOTX 172358
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
458 PM PDT SUN AUG 17 2025

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025...
VALID AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         86    257 PM 108    2008  90     -4      100
  MINIMUM         60    545 AM  45    1946  60      0       61
  AVERAGE         73                        75     -2       81

PRECIPITATION (IN)
  TODAY            0.00          0.42 1916   0.01  -0.01      T
  MONTH TO DATE    0.19                      0.25  -0.06     0.26
  SINCE OCT 1      9.12                     12.01  -2.89    10.93
  SINCE JAN 1      5.35                      8.57  -3.22     6.52

SNOWFALL (IN)
  TODAY           MM             0.0  1998   0.0   MM        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      MM

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     15                        66    -51       28
  SINCE JUL 1      0                         5     -5        0

 COOLING
  TODAY            8                        10     -2       16
  MONTH TO DATE  199                       204     -5      259
  SINCE JUN 1    845                       652    193      920
  SINCE JAN 1    897                       688    209      943
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     2.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90
 LOWEST     34
 AVERAGE    62

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       111      1940
 MINIMUM TEMPERATURE (F)   60        47      1946
                                             1959
                                             1973


SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE   550 AM PDT   SUNSET   753 PM PDT
AUGUST 18 2025........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.




$$