Climatological Report (Daily)
Issued by NWS Spokane, WA

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406
CDUS46 KOTX 010445
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
945 PM PDT SUN AUG 31 2025

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025...
VALID TODAY AS OF 0900 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        104    309 PM 106    1967  86     18       99
                                      2022
  MINIMUM         67    516 AM  44    1907  57     10       57
  AVERAGE         86                        71     15       78

PRECIPITATION (IN)
  TODAY            0.00          0.90 1896   0.02  -0.02     0.00
  MONTH TO DATE    0.29                      0.51  -0.22     0.44
  SINCE OCT 1      9.22                     12.27  -3.05    11.11
  SINCE JAN 1      5.45                      8.83  -3.38     6.70

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                         2     -2        2
  SINCE JUN 1     15                        68    -53       30
  SINCE JUL 1      0                         7     -7        2

 COOLING
  TODAY           21                         7     14       13
  MONTH TO DATE  402                       322     80      360
  SINCE JUN 1   1048                       770    278     1021
  SINCE JAN 1   1100                       806    294     1044
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    47           600 AM
 LOWEST     10           400 PM
 AVERAGE    29

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       102      1938
 MINIMUM TEMPERATURE (F)   57        44      1999


SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE   608 AM PDT   SUNSET   728 PM PDT
SEPTEMBER  1 2025.....SUNRISE   609 AM PDT   SUNSET   726 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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