Climatological Report (Monthly)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
397
CXUS46 KOTX 011408
CLMLWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
708 AM PDT SAT NOV 01 2025
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...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 10/05/1943
LOW 15 10/31/2002
HIGHEST 80 10/08 MM MM 81 10/08
LOWEST 33 10/30 MM MM 36 10/18
10/31
10/30
AVG. MAXIMUM 63.7 63.0 0.7 67.3
AVG. MINIMUM 43.1 42.0 1.1 44.3
MEAN 53.4 52.5 0.9 55.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 2.7 -2.7 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.24 1940
MINIMUM T 1987
TOTALS 0.63 1.08 -0.45 0.89
DAILY AVG. 0.02 0.03 -0.01 0.03
DAYS >= .01 9 8.7 0.3 6
DAYS >= .10 3 3.7 -0.7 4
DAYS >= .50 0 0.3 -0.3 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.14 10/25 TO 10/25 0.37
SNOWFALL (INCHES)
RECORDS
TOTAL 2.5 1971
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL 0.0 MM
DEGREE DAYS
HEATING TOTAL 354 392 -38 281
SINCE 7/1 368 477 -109 MM
COOLING TOTAL 1 4 -3 0
SINCE 1/1 1312 912 400 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 29/260 DATE 10/19
HIGHEST GUST SPEED/DIRECTION 42/290 DATE 10/19
42/300 10/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.34
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
OCTOBER 2025 BROUGHT NEAR NORMAL TEMPERATURES AND NEAR TO
BELOW NORMAL PRECIPITATION ACROSS SOUTHEAST WASHINGTON INTO
THE SOUTH IDAHO PANHANDLE. THE FIRST 10 DAYS OF THE MONTH BROUGHT
QUIET WEATHER AND MILD TEMPERATURES WITH THE LEWISTON AIRPORT
RECORDING ITS WARMEST TEMPERATURE OF THE MONTH ON THE 8TH WITH 80F.
BUT THEN BIG CHANGES ARRIVED AS A WEATHER SYSTEM DROPPED DOWN FROM
CANADA OVER THE REGION FROM THE 11TH THROUGH THE 13TH. HIGH
TEMPERATURES FELL INTO THE 50S WHILE WIDESPREAD PRECIPITATION
FELL, WITH SNOW IN THE MOUNTAINS. SNOW AMOUNTS FOR SOME OF THE AREA
SKI RESORTS INCLUDE 12 INCHES AT SILVER MOUNTAIN, 8 INCHES
AT THE SUMMIT OF LOOKOUT PASS. THE ACTIVE WEATHER CONTINUED FOR THE
REST OF THE MONTH WITH WIDESPREAD RAIN OCCURRING ON THE MORNING OF
THE 19TH. MORE ACTIVE WEATHER OCCURRED ON THE 25TH AND 26TH WITH
WINDY CONDITIONS EACH DAY WITH MORE RAIN AND MOUNTAIN SNOW WITH
WINDS GUSTING TO BETWEEN 35-45 MPH AT SEVERAL STATIONS ACROSS THE
REGION.
NO RECORDS WERE SET DURING THE MONTH AT THE LEWISTON AIRPORT.