condition mean min max 4 h after light 107.220793 77.215555 137.226031 8 h after light 103.75527550000001 86.833055 120.677496 12 h after light 208.270901 105.987371 310.554431 4 h after dark 339.9815065 180.676589 499.286424 8 h after dark 419.1176895 301.165918 537.069461 12 h after dark 152.232057 152.232057 152.232057