condition mean min max 0 h after light 11.3947 11.1942 11.5952 4 h after light 22.934150000000002 22.2744 23.5939 8 h after light 20.7303 20.4176 21.043 4 h after dark 16.2834 14.1129 18.4539 8 h after dark 16.6984 16.4265 16.9703 12 h after dark 12.78765 11.4984 14.0769