Climatological Report (Daily)
Issued by NWS Spokane, WA

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035
CDUS46 KOTX 150857
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
157 AM PDT TUE SEP 15 2026

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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         70    421 PM 100    1937  81    -11       69
  MINIMUM         52    100 AM  32    1970  53     -1       58
  AVERAGE         61                        67     -6       64

PRECIPITATION (IN)
  YESTERDAY        T             1.73 1955   0.02  -0.02     0.52
  MONTH TO DATE    1.56                      0.26   1.30     0.92
  SINCE OCT 1     14.02                     12.53   1.49    10.14
  SINCE JAN 1     10.65                      9.09   1.56     6.37

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        4                         2      2        1
  MONTH TO DATE   29                        19     10        1
  SINCE SEP 1     29                        19     10        1
  SINCE JUL 1     30                        30      0        1

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   20                        71    -51      154
  SINCE SEP 1     20                        71    -51      154
  SINCE JAN 1    894                       877     17     1254
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           100 AM
 LOWEST     38           400 PM
 AVERAGE    68

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1937
 MINIMUM TEMPERATURE (F)   53        35      1970


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   626 AM PDT   SUNSET   659 PM PDT
SEPTEMBER 16 2026.....SUNRISE   627 AM PDT   SUNSET   657 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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