condition mean min max 0 h after light 1.448345 1.34035 1.55634 2 h after light 0.524195 0.0 1.04839 4 h after light 0.463249 0.316271 0.610227 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.3204545 0.0 0.640909 4 h after dark 0.0 0.0 0.0 8 h after dark 0.67525 0.0 1.3505 12 h after dark 0.8242925 0.319545 1.32904