condition mean min max 3 h after light 6.180173333333333 5.03388 8.08899 6 h after light 6.27731 4.08392 7.91536 9 h after light 11.112776666666667 7.89633 13.1437 12 h after light 12.10913 6.86522 16.2732 3 h after dark 14.626266666666666 10.3654 17.2147 6 h after dark 10.51188 8.47541 14.392 9 h after dark 6.43014 5.74283 7.47895 12 h after dark 3.719345 3.29953 4.13916