condition mean min max 3 h after light 4.980095 2.84866 8.28095 7 h after light 4.7775225 2.96932 7.84605 11 h after light 4.6789725 3.32218 5.91957 2 h after dark 4.535511666666666 2.19947 7.49949 6 h after dark 4.367899166666667 2.42724 7.57671 10 h after dark 4.929670833333334 2.21456 7.73511