condition mean min max 4 h after light 0.3255175 0.277776 0.373259 8 h after light 0.296846 0.264612 0.32908 12 h after light 0.874807 0.831022 0.918592 4 h after dark 1.96278 1.715 2.21056 8 h after dark 1.1074000000000002 1.08237 1.13243 12 h after dark 0.5689044999999999 0.517621 0.620188