Climatological Report (Daily)
Issued by NWS Spokane, WA

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675
CDUS46 KOTX 120840
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
140 AM PDT SAT SEP 12 2026

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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         77    350 PM 103    1944  82     -5       84
  MINIMUM         57   1132 PM  36    1895  54      3       58
  AVERAGE         67                        68     -1       71

PRECIPITATION (IN)
  YESTERDAY        0.00          0.47 1927   0.02  -0.02     0.30
  MONTH TO DATE    0.82                      0.20   0.62     0.39
  SINCE OCT 1     13.28                     12.47   0.81     9.61
  SINCE JAN 1      9.91                      9.03   0.88     5.84

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        0                         2     -2        0
  MONTH TO DATE   18                        13      5        0
  SINCE SEP 1     18                        13      5        0
  SINCE JUL 1     19                        24     -5        0

 COOLING
  YESTERDAY        2                         4     -2        6
  MONTH TO DATE   18                        59    -41      142
  SINCE SEP 1     18                        59    -41      142
  SINCE JAN 1    892                       865     27     1242
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           700 AM
 LOWEST     23           300 PM
 AVERAGE    44

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


THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        98      1944
 MINIMUM TEMPERATURE (F)   54        36      1895
                                             1970


SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE   622 AM PDT   SUNSET   705 PM PDT
SEPTEMBER 13 2026.....SUNRISE   624 AM PDT   SUNSET   703 PM PDT


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




$$