condition mean min max 4 h after light 12.271918 9.840826 14.70301 8 h after light 14.197116000000001 12.487487 15.906745 12 h after light 11.827551 11.167615 12.487487 4 h after dark 12.635655499999999 11.312021 13.95929 8 h after dark 11.714843 11.212005 12.217681 12 h after dark 12.487487 12.487487 12.487487