Climatological Report (Monthly)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
511
CXUS56 KOTX 022335
CLMEAT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
435 PM PDT FRI OCT 02 2026
...................................
...THE WENATCHEE WA PANGBORN FIELD CLIMATE SUMMARY FOR THE MONTH OF
SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1959 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 101 09/01/1987
LOW 31 09/29/1985
HIGHEST 84 09/01 MM MM 99 09/02
09/03
LOWEST 43 09/27 0 43 49 09/28
09/28
AVG. MAXIMUM 73.7 76.7 -3.0 82.1
AVG. MINIMUM 52.3 52.5 -0.2 59.9
MEAN 63.0 64.6 -1.6 71.0
DAYS MAX >= 90 0 2.5 -2.5 5
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 2.31 1986
MINIMUM 0.00 1999
TOTALS 1.23 0.23 1.00 0.06
DAILY AVG. 0.04 0.01 0.03 0.00
DAYS >= .01 4 2.8 1.2 4
DAYS >= .10 2 0.7 1.3 0
DAYS >= .50 1 0.0 1.0 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 1.14 09/12 TO 09/13 0.03
DEGREE DAYS
HEATING TOTAL 92 91 1 18
SINCE 7/1 92 104 -12 MM
COOLING TOTAL 39 79 -40 208
SINCE 1/1 820 805 15 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.5
HIGHEST WIND SPEED/DIRECTION 33/260 DATE 09/12
HIGHEST GUST SPEED/DIRECTION 44/270 DATE 09/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.19
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 3 FOG W/VIS <= 1/4 MILE 1
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
SEPTEMBER 2026 BROUGHT COOLER AND WETTER THAN NORMAL CONDITIONS TO
NORTH CENTRAL WASHINGTON. THE FIRST HALF OF THE MONTH WAS ACTIVE
WITH SEVERAL ROUNDS OF PRECIPITATION. ON THE 1ST AND 2ND ISOLATED
THUNDERSOTRMS OCCURRED IN THE NORTH CASCADES AND THE NORTHERN
OKANOGAN VALLEY. ON THE 3RD HEAVY RAIN ON THE SINLAHEKIN BURN
SCAR NEAR LOOMIS CONTRIBUTED TO MINOR ROAD FLOODING AND PONDING OF
WATER ALONG LOOMIS-OROVILLE ROAD. A NEARBY WEATHER STATION AT
SPECTACLE LAKE RECORDED 1.27 INCHES OF RAIN IN 4 HOURS. ON THE 5TH
SCATTERED THUNDERSTORMS IMPACTED AREA FROM WENATCHEE TO BRIDGEPORT
AND GRAND COULEE. A LANDSPOUT TORNADO ALSO OCCURRED 6 MILES
NORTHEAST OF BRIDGEPORT AS WELL WITH UNKNOWN ENHANCED FUJITA RATING.
ON THE 12TH AND 13TH WIDESPREAD RAIN FELL ACROSS THE REGION WITH THE
HIGHEST AMOUNTS AROUND THE WENATCHEE AND LAKE WENATCHEE AREAS WITH
1.00-1.50 INCHES. AT THE WENATCHEE AIRPORT 0.94 INCHES FELL ON THE
13TH ALONE, MAKING IT THE 3RD WETTEST SEPTEMBER DAY ON RECORD SINCE
RECORDS BEGAN IN 1959. ON THE 25TH A STRONG COLD FRONT PASSAGE
OCCURRED WITH BRIEF RAIN FOLLOWED BY SHOWERS AND WINDY CONDITIONS.
ISOLATED THUNDERSTORMS OCCURRED AROUND LAKE WENATCHEE AND THE METHOW
VALLEY AND AROUND LOOMIS AND OROVILLE. ONE STORM PRODUCED FLASH
FLOODING IN LOOMIS WITH WATER INTO THE HIGHLANDS FIRE CAMP AND
CECILE CREEK ROAD ON THE SINLAHEKIN ROAD. LOOMIS-OROVILLE ROAD NEAR
SPECTACLE LAKE WAS WASHED OUT AND IMPASSABLE. PEAK WIND GUSTS FROM
THE EVENT INCLUDE 79 MPH AT MISSION RIDGE SUMMIT, 52 MOSES LAKE AND
WINTHROP, 48 MPH EPHRATA, AND 45 MPH IN OMAK.
ONE RECORD WAS SET DURING THE MONTH AT THE WENATCHEE AIRPORT, WITH
0.06 INCHES OF RAIN ON THE 2ND.