condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.0 0.0 0.0 11 h after light 0.0198053 0.0 0.0937839 2 h after dark 0.014912883333333333 0.0 0.113358 6 h after dark 0.01864913333333333 0.0 0.0873235 10 h after dark 0.015314558333333334 0.0 0.0983251