condition mean min max 0 h after light 60.242549999999994 56.2031 64.282 2 h after light 56.50455 50.7674 62.2417 4 h after light 62.63145 57.0101 68.2528 8 h after light 65.10475 56.7269 73.4826 12 h after light 76.2596 75.3182 77.201 2 h after dark 85.47505000000001 81.6606 89.2895 4 h after dark 87.53774999999999 85.8329 89.2426 8 h after dark 76.37684999999999 73.0675 79.6862 12 h after dark 68.2791 64.8055 71.7527