condition mean min max 4 h after light 42.5866105 38.208679 46.964542 8 h after light 32.725633 29.07208 36.379186 12 h after light 39.013422500000004 31.939434 46.087411 4 h after dark 48.888509 40.22055 57.556468 8 h after dark 60.405651000000006 45.777171 75.034131 12 h after dark 42.376833 42.376833 42.376833