condition mean min max 4 h after light 0.2702795 0.0 0.540559 8 h after light 0.512259 0.43796 0.586558 12 h after light 0.311098 0.267444 0.354752 4 h after dark 0.701275 0.0 1.40255 8 h after dark 0.1161115 0.0 0.232223 12 h after dark 0.097099 0.0 0.194198