condition mean min max 4 h after light 12.5506 11.6382 13.463 8 h after light 10.258455000000001 9.00711 11.5098 12 h after light 9.76756 8.43372 11.1014 4 h after dark 13.016 12.967 13.065 8 h after dark 20.41225 18.5661 22.2584 12 h after dark 18.24455 17.5145 18.9746