Climatological Report (Monthly)
Issued by NWS

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CXUS56 KSEW 011031
CLMOLM


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
330 AM PDT FRI MAY 1 2015

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

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              87   04/27/1987
 LOW               23   04/02/2008
                        04/08/1975
                        04/01/1975
HIGHEST            77   04/20        MM      MM       83  04/30
LOWEST             27   04/15        MM      MM       31  04/14
                                                          04/13
                                                          04/10
AVG. MAXIMUM     60.3              58.9     1.4     60.3
AVG. MINIMUM     36.7              37.7    -1.0     38.9
MEAN             48.5              48.3     0.2     49.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      6               5.1     0.9        4
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.80   1991
 MINIMUM         0.37   1956
TOTALS           1.92              3.54   -1.62     4.26
DAILY AVG.       0.06              0.12   -0.06     0.14
DAYS >= .01        13              15.7    -2.7       16
DAYS >= .10         6               9.5    -3.5       13
DAYS >= .50         0               1.8    -1.8        2
DAYS >= 1.00        0               0.4    -0.4        0
GREATEST
 24 HR. TOTAL    0.55   04/23 TO 04/24

DEGREE_DAYS
HEATING TOTAL     487               501     -14
COOLING TOTAL       0                 0       0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    25/280    DATE  04/11
HIGHEST GUST SPEED/DIRECTION    41/270    DATE  04/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               19     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      5
HAZE                      0

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

$$


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