condition mean min max 0 h after light 0.2174735 0.14481 0.290137 4 h after light 2.033475 1.92746 2.13949 8 h after light 3.45643 3.08025 3.83261 4 h after dark 1.888795 1.56444 2.21315 8 h after dark 1.111615 0.7131 1.51013 12 h after dark 0.2845065 0.144616 0.424397