condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.009174366666666668 0.0 0.0275231 9 h after light 0.0 0.0 0.0 12 h after light 0.0189762 0.0 0.0499574 3 h after dark 0.0214542 0.0 0.0321821 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.03186965 0.0 0.0637393