Climatological Report (Daily)
Issued by NWS Spokane, WA

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929
CDUS46 KOTX 112345
CLILWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
445 PM PDT THU SEP 11 2025

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2025...
VALID AS OF 0400 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         84    259 PM 103    1944  82      2       71
  MINIMUM         58    557 AM  36    1895  54      4       58
  AVERAGE         71                        68      3       65

PRECIPITATION (IN)
  TODAY            0.01          0.47 1927   0.02  -0.01     0.34
  MONTH TO DATE    0.10                      0.20  -0.10     0.35
  SINCE OCT 1      9.32                     12.47  -3.15    11.46
  SINCE JAN 1      5.55                      9.03  -3.48     7.05

SNOWFALL (IN)
  TODAY           MM             0.0  1998   0.0   MM        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      MM

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE    0                        13    -13        0
  SINCE SEP 1      0                        13    -13        0
  SINCE JUL 1      0                        24    -24        2

 COOLING
  TODAY            6                         4      2        0
  MONTH TO DATE  142                        59     83      133
  SINCE SEP 1    142                        59     83      133
  SINCE JAN 1   1242                       865    377     1177
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     4.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90
 LOWEST     35
 AVERAGE    63

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


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


SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE   621 AM PDT   SUNSET   707 PM PDT
SEPTEMBER 12 2025.....SUNRISE   623 AM PDT   SUNSET   705 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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