condition mean min max 0 h after light 0.8197175 0.386275 1.25316 4 h after light 0.9140245 0.687549 1.1405 8 h after light 0.820291 0.686883 0.953699 4 h after dark 1.8019850000000002 1.61582 1.98815 8 h after dark 0.9529905 0.861651 1.04433 12 h after dark 1.189715 1.15521 1.22422