condition mean min max 0 h after light 1.0132005 0.867571 1.15883 4 h after light 1.544515 1.47332 1.61571 8 h after light 1.41608 1.17751 1.65465 4 h after dark 1.1381450000000002 1.04553 1.23076 8 h after dark 0.8580505 0.85445 0.861651 12 h after dark 0.4300575 0.282511 0.577604