condition mean min max 0 h after light 0.1133825 0.113281 0.113484 4 h after light 0.1433478 0.0558446 0.230851 8 h after light 0.513243 0.392261 0.634225 4 h after dark 0.38994799999999996 0.279241 0.500655 8 h after dark 0.2517335 0.168763 0.334704 12 h after dark 0.307409 0.282823 0.331995