condition mean min max 4 h after light 1.2274850000000002 0.99529 1.45968 8 h after light 1.8652250000000001 1.83778 1.89267 12 h after light 3.068515 2.83311 3.30392 4 h after dark 4.33691 4.04061 4.63321 8 h after dark 3.153095 3.05557 3.25062 12 h after dark 2.56792 2.10334 3.0325