condition mean min max 0 h after light 80.2616 78.7433 81.7799 4 h after light 60.002449999999996 57.8976 62.1073 8 h after light 48.176950000000005 48.0497 48.3042 4 h after dark 73.27925 64.2946 82.2639 8 h after dark 79.01185000000001 76.4042 81.6195 12 h after dark 69.41075000000001 64.4246 74.3969