condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 5.11635 0.0 10.2327 12 h after light 15.66605 11.3533 19.9788 2 h after dark 5.11985 0.0 10.2397 4 h after dark 4.96053 0.0 9.92106 8 h after dark 22.17475 10.7883 33.5612 12 h after dark 5.1053 0.0 10.2106