condition mean min max 4 h after light 5.32512 5.2268 5.45748 8 h after light 5.57695 5.37478 5.9332400000000005 12 h after light 5.364033333333333 5.24527 5.55588 4 h after dark 5.36707 5.23391 5.46349 8 h after dark 5.329623333333333 5.25522 5.38356 12 h after dark 5.18972 5.08115 5.30321