I think it's more of a warm front followed by a cold front thing than anything else. The temps this winter have seemed to really bounce around from warmer than normal to normal temps every few days to every other week.


www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).