condition mean min max 0 h after light 11.5793 10.9613 12.1973 4 h after light 9.979434999999999 9.81527 10.1436 8 h after light 9.895 9.586 10.204 4 h after dark 12.35605 12.3317 12.3804 8 h after dark 11.61625 10.778 12.4545 12 h after dark 11.398 9.9881 12.8079