condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.280603 0.0 0.561206 8 h after light 0.0 0.0 0.0 12 h after light 1.0783475 0.539275 1.61742 2 h after dark 0.686845 0.0 1.37369 4 h after dark 0.725975 0.0 1.45195 8 h after dark 0.0 0.0 0.0 12 h after dark 0.233402 0.0 0.466804