204
CXUS56 KPDT 012235
CLMALW

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON,OR
335 PM PDT MON JUN 01 2026

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

...THE WALLA WALLA WA CLIMATE SUMMARY FOR THE MONTH OF MAY 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            100   05/28/1983
 LOW              26   05/01/1954
                       05/07/2002
                       05/08/1999
HIGHEST           86   05/28                          89  05/28
LOWEST            42   05/17                          34  05/05
AVG. MAXIMUM    75.3               71.4     3.9     72.9
AVG. MINIMUM    50.8               49.3     1.5     48.3
MEAN            63.0               60.4     2.6     60.6
DAYS MAX >= 90     0                1.3    -1.3        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.63   1991
 MINIMUM        0.26   1992
TOTALS          0.27               2.07   -1.80     0.92
DAILY AVG.      0.01               0.07   -0.06     0.03
DAYS >= .01        5                9.8    -4.8        7
DAYS >= .10        1                4.7    -3.7        2
DAYS >= .50        0                1.1    -1.1        0
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.18   05/13 TO 05/13               0.42  05/11 TO 05/11


DEGREE DAYS
HEATING TOTAL     94                182     -88      161
 SINCE 7/1      4003               4744    -741
COOLING TOTAL     42                 37       5       34
 SINCE 1/1        43                 39       4
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   5/200
HIGHEST WIND SPEED/DIRECTION    38/260    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    50/260    DATE  05/13

AVERAGE RH (PERCENT)     49

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$