Tag Archives: Kitsap Peninsula

Low streamflows have constrained the salmon migration this fall

If you are hosting out-of-town visitors this Thanksgiving weekend, it might be a good time to take them salmon-watching — or go by yourself if you get the urge to see one of nature’s marvelous phenomena.

Rainfall in Hansville. Blue line shows current trend.
Graph: Kitsap Public Utility District

Kitsap County’s Salmon Park on Chico Way near Golf Club Road tops my list of places to watch salmon. Expect to see plenty of dead fish as well as live ones, as we have apparently passed the peak of the run.

Dogfish Creek near Poulsbo also has a fair number of chum at this time, with a good viewing spot at the north end of Fish Park. Gorst Creek and other streams in Sinclair Inlet are known for their late runs of chum salmon, which are likely to be spotted right up until Christmas at Otto Jarstad Park.

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Ongoing lack of rainfall raises concerns for chum, coho salmon

We’ve just gone through one of the driest five-month periods on record in Kitsap County, yet the total precipitation for entire water year was fairly close to average.

Water year 2018, which ended Sunday, offers a superb example of the extreme differences in precipitation from one part of the Kitsap Peninsula to another:

  • In Hansville — at the north end of the peninsula — the total rainfall for the year reached 35.2 inches, about 3.5 inches above average.
  • In Silverdale — about midway from north to south — the total rainfall was recorded as 43.1 inches, about 5 inches below average.
  • In Holly — near the south end — the total rainfall came in at 82 inches, about 3.3 inches above average.

The graphs of precipitation for the three areas show how this year’s rainfall tracked with the average rainfall through the entire year. The orange line depicts accumulated rainfall for water year 2018, while the pink line represents the average. Click on the images to enlarge and get a better view.

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Dry weather started early this year amid cloudy conditions

UPDATE:
July 5. Greg Johnson, who lives in Hansville and manages the Skunk Bay Weather station there, said the unusually high rainfall in June for Hansville, compared to the rest of the peninsula, was the result of the Puget Sound convergence zone settling over the area on several occasions. Weather conditions brought localized squalls during the month, he said, adding, “This is very unusual for us.”

The reading at Greg’s weather station, 1.98 inches for the month of June, was somewhat lower than the 2.26 inches recorded at Kitsap PUD’s weather station in Hansville.
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Cool, often cloudy conditions have helped obscure the fact that very little rain has fallen on the Kitsap Peninsula over the past two months.

Precipitation in Holly (click to enlarge)

Now that we are in the fourth quarter of the water year, we can see that rainfall levels for this year will be close to average for most areas on the peninsula. What might not be recognized, however, is that April was well above average, while May and June were well below average.

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