642
CXUS56 KPDT 011847
CLMELN

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1147 AM PDT THU OCT 01 2026

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

...THE ELLENSBURG WA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/11/2011
                       09/04/2006
 LOW              26   09/23/2000
HIGHEST           83   09/01                          99  09/03
                       09/09
LOWEST            31   09/27                          37  09/22
AVG. MAXIMUM    70.7               77.5    -6.8     81.7
AVG. MINIMUM    44.9               46.9    -2.0     50.0
MEAN            57.8                                65.8
DAYS MAX >= 90     0                                   5
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     1                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.69   2010
 MINIMUM           T   2012
TOTALS          2.31               0.37    1.94     0.31
DAILY AVG.      0.08               0.01    0.07     0.01
DAYS >= .01        8                                   5
DAYS >= .10        5                                   1
DAYS >= .50        1                                   0
DAYS >= 1.00       1                                   0
GREATEST
 24 HR. TOTAL   1.31   09/12 TO 09/13               0.24  09/06 TO 09/06


DEGREE DAYS
HEATING TOTAL    209
 SINCE 7/1       233
COOLING TOTAL      0
 SINCE 1/1       460
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
RESULTANT WIND SPEED/DIRECTION   5/320
HIGHEST WIND SPEED/DIRECTION    37/310    DATE  09/22
HIGHEST GUST SPEED/DIRECTION    48/310    DATE  09/22

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$