You had a pretty good dip on CD15, but I don't think your temps have risen enough to indicate O... looking at your chart from last month though, it looks like it just takes your temps a little longer to go up. I'd say FF should be able to pinpoint O w/in the next few days, if your temps keep going up.
Re: Look at my chart please...
according to the temps on that chart - you have not Od yet - none are higher than the previous six
even if one was, you would still need three sustained highs to confirm