condition mean min max 0 h after light 0.1675435 0.0 0.335087 2 h after light 0.174731 0.0 0.349462 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.155242 0.0 0.310484 8 h after dark 0.175052 0.0 0.350104 12 h after dark 0.0 0.0 0.0