condition mean min max 0 h after light 0.15984725 0.0800305 0.239664 4 h after light 0.04069995 0.0 0.0813999 8 h after light 0.2010185 0.158074 0.243963 4 h after dark 0.0 0.0 0.0 8 h after dark 0.394393 0.238028 0.550758 12 h after dark 0.078043 0.0 0.156086