Evaporation estimate for NC winter

dphanes

Well-known member
Aug 19, 2020
66
NC
Am wondering if any math folks could help me out. Trying to estimate water evaporation in inches per day. Here are the variables

water temp - 52 degrees F
air temp daytime high 50 F
air temp night low 29 F
humidity 45 percent
average wind speed 3 mph

Any help would be great!!!
 

djlombar

Member
Apr 7, 2020
11
Cary, NC
Pool Size
15400
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Hayward Turbo Cell (T-CELL-5)
Nothing technical but this has been my first winter with a pool. I have not needed to add any water yet...just had to waste out an inch or two recently actually. I'm in Raleigh.
 

NCMike

Gold Supporter
Jan 31, 2020
138
Raleigh, NC
Same for me, this winter I have probably taken out 4 inches of water from my pool to compensate for all the rain we have had and I could drop it another 2 right now to get it back down to the middle of the tile. I can't imagine anyone in NC needing to add water the last 3 months. Now this summer if its "normal" will be a different story I hope.
 
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