condition mean min max 4 h after light 127.3 127.3 127.3 8 h after light 123.80000000000001 106.8 140.8 12 h after light 120.05000000000001 94.2 145.9 4 h after dark 153.9 152.9 154.9 8 h after dark 165.55 151.2 179.9 12 h after dark 139.60000000000002 113.9 165.3