OK, what I saw this weekend was: surface to about 25 feet 75. Nice thermocline at about 27 feet taking it down to 65. Another thermocline at about 40 feet, so that it was 50 degrees at the tubes (60').
I don't think I've ever seen it that warm at the tubes.
Ken
Thanks Ken that is very usefull info and the students will be happy to hear it!