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 0.141125 0.0 0.28225 8 h after light 0.0 0.0 0.0 12 h after light 0.317087 0.0 0.634174 2 h after dark 0.155466 0.0 0.310932 4 h after dark 0.0 0.0 0.0 8 h after dark 0.3124435 0.0 0.624887 12 h after dark 0.0 0.0 0.0