condition mean min max 4 h after light 11.7432285 11.492904 11.993553 8 h after light 11.559945 11.385459 11.734431 12 h after light 10.6389265 9.389541 11.888312 4 h after dark 9.921475000000001 9.173784 10.669166 8 h after dark 10.374679 10.348962 10.400396 12 h after dark 11.707692 11.707692 11.707692