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United States of America

WHITE SWAN, WASHINGTON


Home > North America > United States > Washington
Elevation: 30 meters     Latitude: 46 23N     Longitude: 120 44W

WEATHER
 
CURRENT CONDITIONS

As of 17 October, 2018 @ 1:53 am EDT
(53 Minutes Ago)

Clear
Temperature
2.8°C
Humidity
86.6 %
Wind
11.1 km/h
Sunrise/Set
10:24 am
09:11 pm
Visibility
16 km
Dew Point
-0.6 °C
Pressure
1028.4 millibars
Local Time
2:45 am EDT
17 October, 2018
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C10.2-22.36.510.414.417.82120.216.610.640.7

Average High Temperature
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C17.82.77.913.418.423.326.731.230.225.718.89.75.3

Average Low Temperature
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C2.7-6.8-3.2-0.32.55.68.910.910.17.32.3-1.7-3.8

Highest Recorded Temperature
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C43.918.921.126.733.337.84043.941.736.732.223.317.8

Lowest Recorded Temperature
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-34.4-34.4-31.1-16.1-8.3-4.4-1.10.61.1-5.6-12.2-17.2-28.9

Average Number of Days Above 90F/32C
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days34.3---------0.11.44.614.111.72.4---------

Average Number of Days Below 32F/0C
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days132.226.221.717.59.230.2------19.818.724.8

Average Number of Days Below 0F/-17C
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4.33.10.6---------------------------0.6



PRECIPITATION 
Average Precipitation
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm21638251614714566132843

Average Number of Days With Precipitation
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days47764323122368

Most Reported Precipitation in a Month
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm1241241015944257135432550113123

Least Reported Precipitation in a Month
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm---2------------------------------1

Most Precipitation Reported in a Day
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm46.230.521.625.627.916.846.229.231.213.227.93234

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days27432212111235

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days31---------------------------11



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm75.729.78.93.3------------------0.26.327.2

Average Snow Cover
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm---72---------------------------2

Most Snow Reported in a Month
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm129.5129.542.427.90.8---------------3.854.6114.5



DEGREE DAYS 
Heating Degree Days
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1802.2458.9297.2195.687.8252.2------9.489.4263.3373.3

Cooling Degree Days
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days240---------0.61035.696.774.422.20.6------

Growing Degree Days
Years on Record: 55  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1252.9---------11.7137.8233.3341315.2196.717.2------



SKY CONDITIONS 
Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.89.710.912.514.215.616.41614.61311.49.99.2



SOLAR RADIATION 
Average Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.64.98.112.116.319.221.924.221.215.99.75.34

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m26.12.94.26.16.88.99.39.38.16.84.73.12.5

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.78.111.614.517.117.61921.52118.413.18.26.5

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.57.110.612.6171720.324.322.417.912.37.15.9

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.64.98.112.116.319.221.924.221.215.99.75.34

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m26.63.24.76.87.29.19.510.98.47.55.43.82.8

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m217.89.713.71920.222.921.82522.521.616.911.68

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m218.48.712.917.921.42625.628.124.421.616.310.67.5

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m211.14.26.89.1131418.320.518.813.27.84.13.5

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m25.72.63.75.56.48.79.28.97.96.34.12.62.2

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m211.86.69.410.313.312.715.918.218.61510.265.3

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m210.55.68.27.611.78.714.218.618.813.69.14.84.7




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Forecast data from The Norwegian Meteorological Institute; Current conditions data from the National Weather Service
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