condition mean min max 4 h after light 5.69137 5.08801 6.29473 8 h after light 8.672255 8.59548 8.74903 12 h after light 5.28983 4.45594 6.12372 4 h after dark 8.17544 7.72583 8.62505 8 h after dark 4.195795 4.07702 4.31457 12 h after dark 5.846204999999999 5.49259 6.19982