How much change in boil-off from winter to summer - Home Brew Forums

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Old 03-02-2013, 09:07 PM   #1
Aug 2012
Appleton, WI
Posts: 232
Liked 3 Times on 3 Posts

I have noticed that in the dead of winter (0 degrees F) I tend to boil off almost 2 gallons. I just brewed today which it is 25 degrees today, and I notice I have about a quarter gallon extra wort than I was thinking at the end. I have been almost spot on my last couple brews with boil off, but those have all been around 0-10 degree days, so this was weird today.

What do you guys generally experience for a changing boil-off rate from winter to summer?

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Old 03-03-2013, 07:42 AM   #2
Jul 2009
Newport Beach, CA
Posts: 816
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I have never really noticed a difference, but the weather here never really drops below 45-50 in the dead of winter

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Old 03-03-2013, 02:12 PM   #3
thadius856's Avatar
Dec 2012
Posts: 2,273
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Less than a quarter gallon difference here, but I'm in temperate CA.
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