condition mean min max 4 h after light 56.940200000000004 54.6539 59.2265 8 h after light 49.15645 47.1855 51.1274 12 h after light 52.04415 48.2832 55.8051 4 h after dark 57.730450000000005 54.5047 60.9562 8 h after dark 52.83625 51.4526 54.2199 12 h after dark 58.46945 57.7879 59.151