644
CXUS56 KPDT 011847
CLMPSC

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

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

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

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   09/01/2022
 LOW              21   09/24/1926
HIGHEST           90   09/10                          99  09/02
LOWEST            33   09/28                          41  09/23
AVG. MAXIMUM    77.9               80.9    -3.0     85.0
AVG. MINIMUM    48.5               47.6     0.9     53.4
MEAN            63.2               64.2    -1.0     69.2
DAYS MAX >= 90     1                4.5    -3.5        8
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.3    -0.3        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.79   1927
 MINIMUM           T   2018
TOTALS          0.33               0.31    0.02     0.20
DAILY AVG.      0.01               0.01   -0.00     0.01
DAYS >= .01        4                3.0     1.0        4
DAYS >= .10        1                1.0     0.0        0
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.23   09/12 TO 09/13               0.09  09/14 TO 09/14


DEGREE DAYS
HEATING TOTAL     75                 86     -11       18
 SINCE 7/1        76                 93     -17
COOLING TOTAL     29                 63     -34      152
 SINCE 1/1       848                785      63
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   2/250
HIGHEST WIND SPEED/DIRECTION    39/240    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    51/220    DATE  09/25

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     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                      3

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

$$