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Posts: 1086
| Another thing to keep in mind too...when comparing your temperature reading via your temp sensor on your depthfinder to other fishermen's temp readings that are around you........a body of water can have pockets of cooler and/or warmer water right next to each other. Water doesn't have to be the same temp all across the board across the top of the water nor down through the water column. There's mixing of warmer and cooler pockets of water at all times.
I've noticed this for many, many years just swimming in lakes. I'll be swimming along and hit a warmer pocket of water and then a cooler pocket then another wamer pocket. No..I didn't pee there just then! LOL!  I also notice this about every day when I get in the pool to take the solar cover off the pool. As I'm in the pool...I'll come across much warmer pockerts of water then I'll come across much cooler pockets of water.
I always thought while swimming in lakes, when I'd come across a cooler pocket of water, meant I hit an area where a spring was located, ie, spring fed lakes. Spring fed lakes could potentially keep the water cooler. But when noticing the warm and cool pockets of water in the pool, where there are no springs, it made me realize warm and cool pockets of water exist in any body of water as the water mixes.
I would agree, yes, that each depthfinder's temp sensor could have a 1-3 degree variance in accuracy....but it very well could be too, that the boat's around you could happen to be sitting in a cooler or warmer pocket of water at that given time.
Just something else to ponder.
Edited by MACK 8/10/2005 8:36 AM
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