Quote:
Originally Posted by CoastalWx
That depends on how and where that thermometer is situated. Looks like a diurnal cycle too. Is it affected by melting ice now and sunlight hitting it? If so it may not be a true measurement. In any case melting will be more significant tomorrow. Big step back this weekend and then heavy rain Monday. Things should accelerate soon.
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The probes are under the dock, so not directly affected by the sun. But that area is only 15 feet deep, so I think the bottom helps absorb the sun and warm up the water. If you notice, the water temp cycle goes up and down right around the 39 degree temp mark, which is where the warm water/cold water inversion occurs. My hypothesis is that the colder water from out beyond the no wake marker is inverting with the warmer water in the shallower area. If you look at the 3 month graph, you can see the last warm up in March really heated up the water to 40 degrees, but then it quickly went back down.