Sometimes rain or humidity can make those hair turn brown, the hair test for harvesting time is really an unstable ‘not best way to determine such. Get a nice scope and scope from top to bottom and get ur crystals/thriches yo 50% cloudy -starting amber . My guess u need another 2-3 more weeks and what u could even do for mold prevention is on 2-3 weeks or closest time to a lot of rain is chop the to[s and leave the mid range-bottoms to longest time before a true frost. This method has made many mid range and bottoms worth while but also save my tops cause that’s def most vulnerable part of plant for budrot aka top nug , always starts on nug under that top nug touching it like a spon….