condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.121999 0.0 0.243998 2 h after dark 0.0 0.0 0.0 4 h after dark 3.563635e-08 0.0 7.12727e-08 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0