365
CXUS56 KOTX 022228
CLMEAT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
228 PM PST FRI JAN 02 2026
...............................
...THE WENATCHEE WA PANGBORN FIELD CLIMATE SUMMARY FOR THE MONTH
OF DECEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1959 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 70 12/01/2021
12/01/2021
LOW -21 12/30/1968
HIGHEST 68 12/10 32 36 48 12/18
LOWEST 20 12/28 24 -4 21 12/03
AVG. MAXIMUM 42.8 33.4 9.4 36.1
AVG. MINIMUM 32.1 24.5 7.6 29.4
MEAN 37.5 29.0 8.5 32.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 2 13.1 -11.1 5
DAYS MIN <= 32 17 27.3 -10.3 30
DAYS MIN <= 0 0 0.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.29 1996
MINIMUM 0.10 1976
TOTALS 1.92 1.31 0.61 2.18
DAILY AVG. 0.06 0.04 0.02 0.07
DAYS >= .01 14 10.9 3.1 14
DAYS >= .10 7 4.4 2.6 9
DAYS >= .50 0 0.3 -0.3 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.43 12/09 TO 12/10 0.37
DEGREE DAYS
HEATING TOTAL 843 1118 -275 960
SINCE 7/1 1972 2499 -527 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 1254 807 447 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 5.4
HIGHEST WIND SPEED/DIRECTION 45/260 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 63/240 DATE 12/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.52
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 8
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 1
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 5 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 11
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
DECEMBER 2025 BROUGHT WARMER AND WETTER THAN NORMAL CONDITIONS TO
NORTH CENTRAL WASHINGTON. IT WAS TEH WARMEST DECEMBER ON RECORD AT
THE WENATCHEE AIRPORT WITH AN AVERAGE TEMPERATURE OF 37.5 DEGREES,
BREAKING THE RECORD OF 35.5 DEGREES IN 1991. IT WAS A VERY WET MONTH
IN THE CASCADES. FOR MAZAMA AND PLAIN IT WAS A RECORD WITH THE TOTAL
FOR THE MONTH REACHING WITH 11.61 INCHES AND 12.98 INCHES
RESPECTIVELY. FOR STEHEKIN IT WAS THE SECOND WETTEST WITH 21.04
INCHES. WINTHROP CAME IN WITH AN EVEN 6 INCHES WHICH WAS THE 4TH
WETTEST ON RECORD. IT WAS A VERY ACTIVE MONTH FOR THE INLAND
NORTHWEST.
FROM THE 5TH THROUGH THE 10TH TWO ATMOSPHERIC RIVERS TRACKED ACROSS
THE REGION BRINGING FLOODING AND HIGH WINDS TO THE CASCADES. THE
HEAVY RAIN COMBINED WITH SNOW MELT CAUSED RIVERS AND STREAMS TO RISE
RAPIDLY. THE HEAVY RAIN CAUSED SEVERAL LARGE ROAD WASHOUTS ON
HIGHWAY 2 CLOSING A LARGE PORTION OF THE HIGHWAY FOR WEEKS. STEHEKIN
OVER THE 6 DAY PERIOD RECORDED 11.13 INCHES, WHICH WAS A RECORD. THE
STEHEKIN RIVER CRESTED AT 29.45 FEET, THE 3RD HIGHEST LEVEL ON
RECORD AND THE HIGHEST SINCE 1995. IN ADDITION TO THE FLOODING, THE
TOWN EXPERIENCED A DEBRIS FLOW FROM THE PIONEER FIRE BURN SCAR. THE
DEBRIS FLOW WASHED OUT MULTIPLE ROADS, AND SWEPT AWAY THE WATER
TREATMENT PLANT AND SEWER SYSTEM. OTHER 6 DAY TOTALS INCLUDE 7.71
INCHES IN PLAIN CONTRIBUTING TO THE PRELIMINARY RECORD CREST OF
NASON CREEK AT 9.1 FEET, AND 6.28 INCHES IN MAZAMA CONTRIBUTING TO A
CLOSURE OF HIGHWAY 20 DUE TO WATER AND DEBRIS OVER ROADWAY IN
SEVERAL SPOTS NEAR THE TOWN. ICICLE AND PESHASTIN CREEKS ALSO
REACHED PRELIMINARY RECORD LEVELS OF 15.2 AND 6.4 FEET RESPECTIVELY.
ALONG LAKE WENATCHEE HOMES WERE FLOODED ON CEDAR BRAE ROAD WITH
WATER RESCUES. IN LEAVENWORTH HOMES WERE FLOODED ON EAST LEAVENWORTH
ROAD ALONG THE WENATCHEE RIVER. THE WENATCHEE RIVER NEAR PESHASTIN
CRESTED AT 17.1 FEET, THE 3RD HIGHEST CREST SINCE 1995. SEVERAL
OTHER SLIDES AND ROAD CLOSURES OCCURRED THROUGHOUT THE REGION. IN
ADDITION TO ALL THE FLOODING, HIGH WINDS ADDED TO THE MAJOR IMPACTS
ACROSS WESTERN CHELAN COUNTY ON THE 10TH. A DOWNSLOPE WIND STORM
KNOCKED DOWNED NUMEROUS TREES AND POWER LINES BLOCKING NUMEROUS
ROADS. PEAK WIND GUSTS INCLUDE 112 MPH AT THE TOP OF MISSION RIDGE,
106 MPH AT DIRTY FACE MOUNTAIN, 82 MPH AT TUMWATER MOUNTAIN, AND 60
MPH AT THE WENATCHEE AIRPORT. THE HIGH WINDS CLOSED BLEWETT PASS FOR
NEARLY A DAY. IN LEAVENWORTH NUMEROUS SNAPPED TREES WERE OBSERVED
OFF MOUNTAIN HOME ROAD. OVER 10,000 CUSTOMERS LOST POWER AROUND THE
REGION. TEMPERATURES SOARED BY DECEMBER STANDARDS AS THE WENATCHEE
AIRPORT REACHED 68F, WHICH WAS THE 2ND WARMEST DECEMBER TEMPERATURE
EVER RECORDED AT THE AIRPORT.
ON THE 17TH A HIGH WIND EVENT AS A STRONG COLD FRONT MOVED THROUGH
THE REGION. PEAK WIND GUSTS INCLUDE 80 MPH AT MISSION RIDGE SUMMIT,
70 MPH DOUGLAS, 63 MPH AT THE WENATCHEE AIRPORT, AND 60 MPH MOSES
LAKE. FROM THE 18TH THROUGH THE 26TH SEVERAL ROUNDS OF RAIN AND
SNOW TRACKED THROUGH. SNOW BEGAN TO FALL INTO SOME OF THE VALLEYS AS
WELL WITH THE SNOW DEPTH INCREASING TO 9 INCHES IN WINTHROP ON THE
24TH. FROM THE 27TH THROUGH THE 31ST COLDER AND DRIER WEATHER
OCCURRED TO CLOSE OUT THE MONTH. WINTHROP DROPPED DOWN TO 4F ON THE
28TH.
RECORDS HIGH TEMPERATURES OCCURRED AT THE WENATCHEE AIRPORT DURING
THE MONTH. THIS INCLUDES 49F ON THE 5TH, 68F ON THE 10TH, 62F ON THE
11TH, 51F ON THE 12TH, AND 59F ON THE 15TH.
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