condition mean min max 0 h after light 11.52185 11.0844 11.9593 4 h after light 11.0365 9.9591 12.1139 8 h after light 8.767975 8.28042 9.25553 4 h after dark 12.6584 10.5351 14.7817 8 h after dark 12.674150000000001 12.1201 13.2282 12 h after dark 13.28425 12.7495 13.819