condition mean min max 0 h after light 44.098200000000006 41.1216 47.0748 4 h after light 20.91835 17.1108 24.7259 8 h after light 28.5275 28.4904 28.5646 4 h after dark 40.81585 37.7639 43.8678 8 h after dark 29.8014 28.8794 30.7234 12 h after dark 35.27805 30.0825 40.4736