WeatherWatcher: Last week and what's coming this week

Saturday, December 25, 2010

Warmest and coldest days are based on average temperature of the entire day (starting at midnight) and averages are based on the whole week.

  • Warmest Day: 45.0°F on Friday (Christmas Eve)
  • Coldest Day: 37.2°F on Sunday the 19th.
  • Rainiest day: 1.42 inches on Thursday the 23rd.

  • Average temperature: 41.3°F
  • Weekly high temperature: 50.4°F
  • Weekly low temperature: 33.6°F
  • Total rainfall: 2.67 inches.
  • Weekly high humidity: 100%
  • Weekly low humidity: 33%
  • Average humidity: 81%
  • Weekly high pressure: 29.441 inches
  • Weekly low pressure: 28.762 inches
  • Average pressure: 29.114inches

Weather highlights for the week:
We had a fairly wet day on Thursday the 23rd, receiving over an inch of rain. Otherwise this week was pretty quiet weather wise.

Weather for the coming week:
Watch out for Wednesday night - Friday, forecasters are expecting a cold low pressure system to develop in the Golf of Alaska bringing down arctic cold air into the Puget Sound region which may result in possible snow here in Shoreline. 

This seems to be consistent through multiple forecast centers (including the National Weather Service of Seattle.) I've found in my experience that when multiple agencies are predicting the same general weather pattern that it is much more likely to occur. I'll keep you posted if any winter storm warnings, watches, or advisories pop up.

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