condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.41638 0.0 0.83276 4 h after light 0.0 0.0 0.0 8 h after light 0.3815585 0.0 0.763117 12 h after light 0.2116725 0.0 0.423345 2 h after dark 0.465826 0.0 0.931652 4 h after dark 0.184969 0.0 0.369938 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0