condition mean min max 0 h after light 0.427331 0.283143 0.571519 2 h after light 0.6369875 0.635772 0.638203 4 h after light 0.6390655 0.451011 0.82712 8 h after light 0.912608 0.619016 1.2062 12 h after light 1.134355 1.13121 1.1375 2 h after dark 1.32226 1.02025 1.62427 4 h after dark 1.5565 1.41215 1.70085 8 h after dark 0.999514 0.844578 1.15445 12 h after dark 0.480295 0.415579 0.545011