condition mean min max 0 h after light 33.3923 32.6398 34.1448 4 h after light 56.8568 49.5531 64.1605 8 h after light 48.5041 41.4367 55.5715 4 h after dark 46.91115 41.418 52.4043 8 h after dark 47.4273 46.0856 48.769 12 h after dark 42.1956 39.8074 44.5838