Climatological Report (Daily)
Issued by NWS Spokane, WA

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359
CDUS46 KOTX 180841
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
141 AM PDT FRI SEP 18 2026

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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         71    215 PM 101    1938  79     -8       88
  MINIMUM         51    637 AM  28    1965  52     -1       58
  AVERAGE         61                        66     -5       73

PRECIPITATION (IN)
  YESTERDAY        0.00          0.54 1947   0.02  -0.02     0.00
  MONTH TO DATE    1.56                      0.31   1.25     0.93
  SINCE OCT 1     14.02                     12.58   1.44    10.15
  SINCE JAN 1     10.65                      9.14   1.51     6.38

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        0
  MONTH TO DATE   40                        25     15        4
  SINCE SEP 1     40                        25     15        4
  SINCE JUL 1     41                        36      5        4

 COOLING
  YESTERDAY        0                         3     -3        8
  MONTH TO DATE   20                        80    -60      163
  SINCE SEP 1     20                        80    -60      163
  SINCE JAN 1    894                       886      8     1263
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     3.3


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    86           700 AM
 LOWEST     46           500 PM
 AVERAGE    66

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79       101      1938
 MINIMUM TEMPERATURE (F)   52        35      1965


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   630 AM PDT   SUNSET   653 PM PDT
SEPTEMBER 19 2026.....SUNRISE   631 AM PDT   SUNSET   651 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$