590
CXUS56 KPDT 011906
CLMALW

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
1206 PM PDT WED OCT 01 2025

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

...THE WALLA WALLA WA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025

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           98   09/02                          99  09/02
LOWEST            49   09/22                          40  09/30
                       09/30
AVG. MAXIMUM    84.0               78.5     5.5     81.1
AVG. MINIMUM    58.7               53.9     4.8     56.8
MEAN            71.4               66.2     5.2     69.0
DAYS MAX >= 90     5                3.3     1.7        8
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          0.56               0.64   -0.08     0.09
DAILY AVG.      0.02               0.02   -0.00     0.02
DAYS >= .01        6                3.8     2.2        1
DAYS >= .10        3                1.7     1.3        0
DAYS >= .50        0                0.2    -0.2        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.20   09/14 TO 09/14               0.09  09/25 TO 09/25


DEGREE DAYS
HEATING TOTAL     10                 68     -58       39
 SINCE 7/1        10                 78     -68
COOLING TOTAL    210                104     106      161
 SINCE 1/1      1215                931     284
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
RESULTANT WIND SPEED/DIRECTION   4/180
HIGHEST WIND SPEED/DIRECTION    30/230    DATE  09/29
HIGHEST GUST SPEED/DIRECTION    38/240    DATE  09/29

AVERAGE RH (PERCENT)     46

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     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.

$$