Climatological Report (Monthly)
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000
CXUS56 KPDT 011351
CLMALW

CLIMATE REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
651 AM PDT THU OCT 01 2020

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

...THE WALLA WALLA WA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1949 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/06/2003
 LOW              34   09/30/2019
                       09/29/2019
                       01/01/2000
HIGHEST           99R  09/04         86      13       93 09/07
LOWEST            44   09/09         47      -3       34 09/30
MEAN            67.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.85   2003
 MINIMUM           T   2009
TOTALS          0.60               0.75   -0.15       1.48
DAILY AVG.      0.02               0.02   -0.00       MM
DAYS >= .01        5                4.0     1.0       MM
DAYS >= .10        1                2.1    -1.1       MM
DAYS >= .50        0                0.3    -0.3       MM
DAYS >= 1.00       0                0.0     0.0       MM
GREATEST
 24 HR. TOTAL   0.38   09/19 TO 09/19                 MM
 STORM TOTAL    0.38                                  MM
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0
 24 HR TOTAL     0.0
TOTALS            MM                0.0      MM       MM
SINCE 7/1         MM                0.0      MM       MM
DAYS >= TRACE     MM                0.0      MM       MM
DAYS >= 1.0       MM                0.0      MM
GREATEST
 24 HR TOTAL      MM
 STORM TOTAL      MM                                  MM
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL     29                 85     -56       MM
 SINCE 7/1        31                 99     -68       MM
COOLING TOTAL    108                 93      15       MM
 SINCE 1/1       886                845      41       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
RESULTANT WIND SPEED/DIRECTION   3/150
HIGHEST WIND SPEED/DIRECTION    43/020    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    51/010    DATE  09/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     42

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                7     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                     16

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

$$


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