condition mean min max 0 h after light 8.540995 7.78053 9.30146 2 h after light 8.687635 8.59047 8.7848 4 h after light 10.062854999999999 9.81781 10.3079 8 h after light 9.745435 8.39037 11.1005 12 h after light 12.915849999999999 11.7 14.1317 2 h after dark 13.2677 12.9667 13.5687 4 h after dark 9.517005000000001 9.17203 9.86198 8 h after dark 10.26947 9.41854 11.1204 12 h after dark 8.83126 8.35118 9.31134