condition mean min max 4 h after light 1.8636000000000001 1.44019 2.40836 8 h after light 1.4878416666666667 0.466905 2.51821 12 h after light 2.23827 1.15444 3.50169 4 h after dark 1.465787 0.915511 1.87401 8 h after dark 1.5746603333333333 0.963051 1.99901 12 h after dark 3.85988 3.01261 4.43858