condition mean min max 0 h after light 0.354912 0.177219 0.532605 4 h after light 0.532951 0.524184 0.541718 8 h after light 0.443394 0.360796 0.525992 4 h after dark 0.174739 0.0 0.349478 8 h after dark 0.351283 0.174538 0.528028 12 h after dark 0.1750535 0.173126 0.176981