Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
000
CXUS56 KSEW 011032
CLMOLM


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
332 AM PDT WED NOV 1 2017

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

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              90   10/01/1987
 LOW               14   10/31/2002
HIGHEST            72   10/28        MM      MM       65  10/28
LOWEST             27   10/31        MM      MM       29  10/12
AVG. MAXIMUM     61.5              60.2     1.3     59.5
AVG. MINIMUM     37.3              40.5    -3.2     45.5
MEAN             49.4              50.3    -0.9     52.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      7               3.4     3.6        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.43   2016
 MINIMUM         0.39   1987
TOTALS           6.58              4.60    1.98    12.43
DAILY AVG.       0.21              0.15    0.06     0.40
DAYS >= .01        11              14.2    -3.2       28
DAYS >= .10         9               9.1    -0.1       19
DAYS >= .50         3               2.7     0.3        9
DAYS >= 1.00        2               0.9     1.1        4
GREATEST
 24 HR. TOTAL    2.91   10/21 TO 10/21

DEGREE_DAYS
HEATING TOTAL     477               454      23
COOLING TOTAL       0                 0       0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    28/180    DATE  10/18
HIGHEST GUST SPEED/DIRECTION    38/190    DATE  10/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE     15
HAZE                      0

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

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.