condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 1.57205 0.0 3.1441 4 h after light 0.0 0.0 0.0 8 h after light 1.62063 0.0 3.24126 12 h after light 0.608785 0.0 1.21757 2 h after dark 0.0 0.0 0.0 4 h after dark 1.56531 0.0 3.13062 8 h after dark 1.702145 0.0 3.40429 12 h after dark 0.0 0.0 0.0