condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.049937 0.0 0.149811 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.11363933333333333 0.0 0.340918 6 h after dark 0.16983800000000002 0.0 0.509514 9 h after dark 0.22871233333333332 0.0 0.375666 12 h after dark 0.0 0.0 0.0