condition mean min max 4 h after light 2.9236086666666665 2.724046 3.204548 8 h after light 2.093754666666667 1.529572 2.417004 12 h after light 1.3925793333333334 1.30711 1.488561 16 h after light 2.8006450000000003 2.400575 3.3229050000000004 4 h after dark 2.818006 2.076556 3.8177470000000002 8 h after dark 2.88807 1.5414510000000001 3.924868