condition mean min max 4 h after light 0.223978 0.050118 0.397838 8 h after light 1.5207305 0.974631 2.06683 12 h after light 4.496995 3.09174 5.90225 4 h after dark 6.134975 3.25398 9.01597 8 h after dark 6.73137 5.58253 7.88021 12 h after dark 1.50945 1.32588 1.69302