643
CXUS56 KPDT 011847
CLMYKM

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

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

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

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1946 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/03/1988
                       09/01/1949
 LOW              16   09/10/2021
HIGHEST           85   09/21                          99  09/03
LOWEST            36   09/28                          39  09/30
AVG. MAXIMUM    73.9               79.4    -5.5     83.7
AVG. MINIMUM    45.7               44.9     0.8     51.3
MEAN            59.8               62.2    -2.4     67.5
DAYS MAX >= 90     0                3.2    -3.2        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.7    -0.7        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.07   1986
 MINIMUM        0.00   1987
TOTALS          1.83               0.23    1.60     0.14
DAILY AVG.      0.06               0.01    0.05     0.00
DAYS >= .01        8                3.0     5.0        5
DAYS >= .10        6                0.8     5.2        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               0.07  09/21 TO 09/21


DEGREE DAYS
HEATING TOTAL    154                131      23       46
 SINCE 7/1       155                164      -9
COOLING TOTAL      8                 46     -38      128
 SINCE 1/1       644                605      39
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
RESULTANT WIND SPEED/DIRECTION   3/260
HIGHEST WIND SPEED/DIRECTION    31/200    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    45/230    DATE  09/25

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$