condition mean min max 0 h after light 0.1068475 0.0 0.213695 4 h after light 0.159496 0.108676 0.210316 8 h after light 0.0542855 0.0 0.108571 4 h after dark 0.1573335 0.105165 0.209502 8 h after dark 0.052522 0.0 0.105044 12 h after dark 0.263965 0.208388 0.319542