condition mean min max 4 h after light 0.1380365 0.0 0.276073 8 h after light 0.056355 0.0 0.11271 12 h after light 0.160124 0.137655 0.182593 4 h after dark 0.36443 0.240634 0.488226 8 h after dark 0.7203455000000001 0.71716 0.723531 12 h after dark 0.218674 0.19991 0.237438