condition mean min max 4 h after light 0.0399536 0.0 0.0681 8 h after light 0.04348883333333334 0.0 0.0955358 12 h after light 0.0 0.0 0.0 4 h after dark 0.0195098 0.0 0.0585294 8 h after dark 0.11710343333333333 0.0 0.292801 12 h after dark 0.2579551666666667 0.0228665 0.554149