647
CXUS56 KPDT 011847
CLMALW

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

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

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

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/02/1950
 LOW              32   09/29/1985
                       09/29/2019
                       01/01/2000
HIGHEST           87   09/20                          98  09/02
LOWEST            43   09/27                          49  09/22
                       09/28
                                                          09/30
AVG. MAXIMUM    74.9               78.5    -3.6     84.0
AVG. MINIMUM    52.7               53.9    -1.2     58.7
MEAN            63.8               66.2    -2.4     71.4
DAYS MAX >= 90     0                3.3    -3.3        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        2.85   1959
 MINIMUM        0.00   1975
TOTALS          0.97               0.64    0.33     0.56
DAILY AVG.      0.03               0.02    0.01     0.02
DAYS >= .01        8                3.8     4.2        6
DAYS >= .10        5                1.7     3.3        3
DAYS >= .50        0                0.2    -0.2        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.45   09/12 TO 09/13               0.20  09/14 TO 09/14


DEGREE DAYS
HEATING TOTAL     77                 68       9       10
 SINCE 7/1        78                 78       0
COOLING TOTAL     48                104     -56      210
 SINCE 1/1       859                931     -72
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
RESULTANT WIND SPEED/DIRECTION   4/190
HIGHEST WIND SPEED/DIRECTION    37/190    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    52/190    DATE  09/12

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               11     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      0
HAZE                      2

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

$$