condition mean min max 4 h after light 17.179033333333333 0.0 39.5877 8 h after light 0.81686 0.0 2.45058 12 h after light 0.5708233333333333 0.0 1.71247 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 7.17666 5.0494 10.5579