Climatological Report (Monthly)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
903
CXUS46 KOTX 011139
CLMLWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
439 AM PDT WED JUL 01 2026
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...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 115 06/29/2021
LOW 34 06/01/1951
HIGHEST 92 06/15 MM MM 101 06/09
06/16
06/24
LOWEST 45 06/08 MM MM 48 06/03
06/11
AVG. MAXIMUM 79.9 79.0 0.9 85.0
AVG. MINIMUM 54.0 54.0 0.0 57.2
MEAN 67.0 66.5 0.5 71.1
DAYS MAX >= 90 4 4.1 -0.1 9
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.67 1884
MINIMUM 0.01 1883
TOTALS 0.53 1.25 -0.72 0.08
DAILY AVG. 0.02 0.04 -0.02 0.00
DAYS >= .01 6 8.9 -2.9 2
DAYS >= .10 3 4.2 -1.2 0
DAYS >= .50 0 0.4 -0.4 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.27 06/28 TO 06/29 0.05
SNOWFALL (INCHES)
RECORDS
TOTAL 0.1 1911
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.1 12.7 -12.6 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 34 61 -27 15
SINCE 7/1 4193 4981 -788 MM
COOLING TOTAL 101 107 -6 207
SINCE 1/1 136 143 -7 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.2
HIGHEST WIND SPEED/DIRECTION 33/240 DATE 06/08
HIGHEST GUST SPEED/DIRECTION 44/220 DATE 06/08
44/300 06/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 45
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
JUNE 2026 BROUGHT NEAR NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION TO SOUTHEAST WASHINGTON INTO THE SOUTH IDAHO
PANHANDLE. THE FIRST 12 DAYS OF THE MONTH BROUGHT PERIODS OF
RAIN SHOWERS, WITH ISOLATED THUNDERSTORMS OCCURRING AROUND
THE REGION ON THE 3RD AND 9TH. HIGH TEMPERATURES ON MOST
OF THESE DAYS WAS IN THE 70S IN LEWISTON. THEN A PERIOD OF
WARMING AND MAINLY DRY WEATHER OCCURRED FROM THE 14TH THROUGH
THE 25TH WITH HIGHS IN THE MID 80S TO LOW 90S EACH DAY. A DRY
FRONTAL PASSAGE ON THE 16TH DELIVERED CRITICAL FIRE WEATHER
CONDITIONS WITH WINDS GUSTING TO 35-45 MPH AND RELATIVE HUMIDITY
IN THE TEENS AND 20S. THE MONTH FINISHED OUT WITH A PERIOD
OF COOL AND SHOWERY WEATHER AGAIN WITH HIGHS FROM THE 26TH
THROUGH THE 29TH IN THE UPPER 60S TO LOW 70S.
NO RECORDS WERE BROKE DURING THE MONTH AT THE LEWISTON AIRPORT.