condition mean min max 0 h after light 0.19501849999999998 0.130167 0.25987 4 h after light 0.13025150000000002 0.128109 0.132394 8 h after light 0.6489465 0.440887 0.857006 4 h after dark 0.5113759999999999 0.469763 0.552989 8 h after dark 0.4493325 0.344129 0.554536 12 h after dark 0.299006 0.259521 0.338491