condition mean min max 3 h after light 6.881205 5.13704 8.25977 7 h after light 6.528235 4.00998 8.16168 11 h after light 6.189604166666667 4.61671 7.99556 2 h after dark 5.9053275 4.36367 7.28023 6 h after dark 6.726930833333333 4.74472 9.1931 10 h after dark 7.45486 5.15659 11.7733