The Wenatchee World

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Winter Weather Advisory issued December 08 at 4:47AM PST until December 09 at 4:00AM PST by NWS

...SEVERAL ROUNDS OF SNOW EXPECTED TONIGHT THROUGH THE WEEKEND... .SNOW WILL DEVELOP ACROSS THE REGION TONIGHT AND WILL CONTINUE OFF ANDON THROUGH THE WEEKEND. ALONG THE EAST SLOPES OF THE CASCADES MODERATE TO HEAVY SNOW WILL OCCUR THURSDAY NIGHT AND FRIDAY WITH ANOTHER ROUND EXPECTED FRIDAY NIGHT INTO SATURDAY. FOR THE CENTRAL

Today

Hi24° Mostly Cloudy then Heavy Snow

Tonight

Lo21° Heavy Snow

Friday

Hi27° Snow Likely

Friday Night

Lo22° Snow Likely then Slight Chance Snow

Saturday

Hi31° Chance Snow

Saturday Night

Lo25° Mostly Cloudy

Sunday

Hi32° Slight Chance Snow

Sunday Night

Lo23° Chance Snow

Monday

Hi29° Slight Chance Snow Showers

Monday Night

Lo14° Partly Cloudy

300 days of sunshine?

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A Wednesday story about some of the odd weather we experienced in 2012 earned a comment from one reader wondering if the National Weather Service keeps stats on total days of sunshine. Like The Worm, this reader has heard the oft-repeated boast that North Central Washington gets 300 days of sunshine — perhaps a ploy to attract Western Washingtonians across the mountains, perhaps not. In any case, the reader commented that for the past few years, it doesn't seem like we've met our quota of sunny days. The Worm decided to pose the question to the National Weather Service, which directed her to a website from the Office of Washington State Climatologist. That website, climate.washington.edu/cloudcover shows some interesting data, with charts from across the state showing the number of clear days, the number of partly cloudy days, and the number of cloudy days. The charts are averages from 1973 through 2000. Well, according to this data, if you add all the days of sunny weather and all the days of partly cloudy weather during those years, Wenatchee already falls far short of the 300 days expectation. More like 235.7 days of sunshine every year. Stats from the Omak airport, however, hit the mark, with 299.9 days of sunshine, on average. But that was only looking at the years 1998 through 2000, so perhaps that's not a large enough sample. In any case, The Worm called the state climatology office and talked to assistant state climatologist Karin Bumbaco. She said she's not sure where the 300 days of sunshine number comes from, but it's probably a good observation that North Central Washington hasn't been as sunny in recent years. "The last three springs have been very slow to get to summer," she noted. As for updating the information, Bumbaco said that would take some work, but they may put it on their wish list.