condition mean min max 4 h after light 123.0177 113.3702 139.655 8 h after light 122.60363333333332 114.7725 135.5835 12 h after light 75.75403 74.07675 78.71624 16 h after light 119.02377 92.93404 166.1573 4 h after dark 138.8541 101.5041 164.4736 8 h after dark 70.55226333333333 54.07518 89.5812