condition mean min max 0 h after light 122.764 122.428 123.1 4 h after light 93.81765 87.0833 100.552 8 h after light 72.6357 65.2685 80.0029 4 h after dark 130.9725 126.888 135.057 8 h after dark 134.872 132.006 137.738 12 h after dark 132.881 119.928 145.834