Auto Cooling %?
 

Hello,

at what percentage is my water/coolant if is safe till -7F and -24f?

cK

Well, if I can 'decipher' your . . .
 

english, I think you are asking "what the mixture % at -7F and -24F"??

If so, -7F is apx 38% and -24F is apx 48%.

Check my web page, MENU 17 for a picture of a hygrometer calibrated in degrees (F and C) vs mixture percentage.

Can you check for Relative Humidity with that , too ???

I know.. it's a typo, right???

Well, it's not a typo . . .
 

because, unlike so many members yourself included, I usually write sentences that are, if nothing else, cohesive.

So that's what I wrote but that's not what I meant! Actually in San Diego, the RH has averaged about 10 - 20% since Monday, so I must have been thinking about that. Right now, the RH is 12% and the temperature is 90F. It only feels like 70F.