condition mean min max 2 h after light 1.0044573333333333 0.976006 1.05602 6 h after light 1.206746 0.935208 1.545 10 h after light 1.085337 0.927971 1.24921 2 h after dark 0.7331293333333333 0.536308 1.02297 6 h after dark 0.46271 0.347488 0.545852 10 h after dark 0.2855623333333333 0.154717 0.407221