condition mean min max 4 h after light 552.942076 536.265588 569.618564 8 h after light 175.4919705 103.367138 247.616803 12 h after light 119.242268 99.131471 139.353065 4 h after dark 65.955737 60.21017 71.701304 8 h after dark 124.9100165 56.818745 193.001288 12 h after dark 844.315986 844.315986 844.315986