condition mean min max 4 h after light 0.348502 0.148145 0.559559 8 h after light 0.3693818 0.0976994 0.525512 12 h after light 0.436982 0.287826 0.684248 4 h after dark 1.2100490000000002 0.969397 1.61278 8 h after dark 0.9342533333333334 0.35135 1.43316 12 h after dark 0.4226376666666667 0.37308 0.50229