condition mean min max 4 h after light 0.5227305 0.286888 0.758573 8 h after light 9.4e-07 0.0 1.88e-06 12 h after light 7.25e-10 0.0 1.45e-09 4 h after dark 0.16855737603333334 3.27e-08 0.505672 8 h after dark 0.7551853333333334 0.548476 1.13429 12 h after dark 0.18074537200000002 0.0 0.542236