condition mean min max 0 h after light 5.81478 4.81469 6.81487 2 h after light 15.1552 15.095 15.2154 4 h after light 3.812455 3.0802 4.54471 8 h after light 1.47065 1.37595 1.56535 12 h after light 2.86376 2.77602 2.9515 2 h after dark 2.971545 1.99601 3.94708 4 h after dark 1.347725 1.06724 1.62821 8 h after dark 3.198515 3.10885 3.28818 12 h after dark 9.44532 8.08984 10.8008