condition mean min max 3 h after light 0.6262695 0.346318 0.999704 7 h after light 0.5674775833333333 0.347716 1.02758 11 h after light 1.0780109166666667 0.752251 1.49698 2 h after dark 1.9523583333333334 1.19864 3.24582 6 h after dark 1.2190975 0.769301 1.84024 10 h after dark 0.90325075 0.354869 3.11177