000
CXUS56 KSEW 011050
CLMOLM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
350 AM PDT SUN OCT 01 2023

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

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   09/02/1988
 LOW              25   09/27/1972
HIGHEST           91   09/02         MM      MM       88  09/10
LOWEST            35   09/21         MM      MM       37  09/21
                       09/30
AVG. MAXIMUM    72.5               72.1     0.4     76.4
AVG. MINIMUM    46.6               46.2     0.4     47.8
MEAN            59.6               59.1     0.5     62.1
DAYS MAX >= 90     1                0.4     0.6        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.36   2013
 MINIMUM           T   2012
TOTALS          2.30               2.04    0.26     0.13
DAILY AVG.      0.08               0.07    0.01     0.00
DAYS >= .01        6                8.1    -2.1        3
DAYS >= .10        6                4.6     1.4        0
DAYS >= .50        1                1.3    -0.3        0
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.94   09/24 TO 09/25

DEGREE DAYS
HEATING TOTAL    167                183     -16       89
 SINCE 7/1       220                325    -105       MM
COOLING TOTAL     11                  8       3       11
 SINCE 1/1       203                113      90       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
HIGHEST WIND SPEED/DIRECTION    24/170    DATE  09/27
HIGHEST GUST SPEED/DIRECTION    38/140    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      6
HAZE                      1

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

$$