condition mean min max 4 h after light 46.0446405 44.039671 48.04961 8 h after light 58.377613 51.649691 65.105535 12 h after light 41.2020125 27.650521 54.753504 4 h after dark 46.5716945 40.302563 52.840826 8 h after dark 48.86408 48.736042 48.992118 12 h after dark 23.62739 23.62739 23.62739