condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.01277675 0.0 0.051107 3 h after dark 0.052536 0.0 0.157608 6 h after dark 0.0 0.0 0.0 9 h after dark 0.015340866666666666 0.0 0.0460226 12 h after dark 0.0 0.0 0.0