Climatological Report (Daily)
Issued by NWS Spokane, WA

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133
CDUS46 KOTX 310839
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
139 AM PDT SUN AUG 31 2025

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 30 2025...

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)
 YESTERDAY
  MAXIMUM         96    431 PM 104    1929  86     10       95
  MINIMUM         64    532 AM  42    1912  57      7       56
                                      1941
                                      1965
  AVERAGE         80                        72      8       76

PRECIPITATION (IN)
  YESTERDAY        0.00          0.89 1977   0.02  -0.02     0.00
  MONTH TO DATE    0.29                      0.49  -0.20     0.44
  SINCE OCT 1      9.22                     12.25  -3.03    11.11
  SINCE JAN 1      5.45                      8.81  -3.36     6.70

SNOWFALL (IN)
  YESTERDAY        0.0           T    1954   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                         1     -1        0
  MONTH TO DATE    0                         1     -1        2
  SINCE JUN 1     15                        67    -52       30
  SINCE JUL 1      0                         6     -6        2

 COOLING
  YESTERDAY       15                         7      8       11
  MONTH TO DATE  381                       316     65      347
  SINCE JUN 1   1027                       764    263     1008
  SINCE JAN 1   1079                       800    279     1031
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.2


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    57           700 AM
 LOWEST     15           400 PM
 AVERAGE    36

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       106      1967
                                             2022
 MINIMUM TEMPERATURE (F)   57        44      1907


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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