condition mean min max 4 h after light 0.05531365 0.0549119 0.0557154 8 h after light 0.0847875 0.065268 0.104307 12 h after light 0.04154655 0.0380297 0.0450634 4 h after dark 0.015982966666666668 0.0 0.0300553 8 h after dark 0.0424348 0.037147 0.0476993 12 h after dark 0.0709536 0.0370516 0.110293