condition mean min max 4 h after light 11.127994 10.778977 11.477011 8 h after light 10.242218000000001 9.665995 10.818441 12 h after light 11.862172 11.756623 11.967721 4 h after dark 11.141645 10.806279 11.477011 8 h after dark 13.503519 12.959216 14.047822 12 h after dark 9.260874 9.260874 9.260874