condition mean min max 4 h after light 0.052736 0.0 0.105472 8 h after light 0.0835755 0.0 0.167151 12 h after light 0.129833 0.0 0.259666 4 h after dark 0.194 0.0 0.346372 8 h after dark 0.05436766666666667 0.0 0.163103 12 h after dark 0.055929 0.0 0.167787