Well, after 3 more mostly overcast days, the temp has still reached 25.5c Had the first swim of the season this afternoon - FANtastic. Will be watching the surrounding pools to see when they get to a similar temperature ( +25c ) so that I can calc the extra swim time that the solar coils have added to our pool. Will be doing the same at the end of the season. Last year we stopped when it dropped to 24c ( Yes, Wynn, we're wussies ). Am looking forward to seeing how much longer we can continue after the surrounding pools get to 24.
Also, my log so far is telling me that we gain 2c per (reasonable) day, but lose 1c every night. On an overcast day we might not gain anything, so the 1c loss overnight means that we go back a step.
Am seriously considering the solar blanket now, as it should reduce the overnight loss considerably, making the cumulative daily gains much higher.
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