condition	mean	min	max
4 h after light	13.2769605	12.003834	14.550087
8 h after light	19.0004605	18.808033	19.192888
12 h after light	16.1072225	13.658032	18.556413
4 h after dark	13.1896245	11.383135	14.996114
8 h after dark	13.283681000000001	12.975224	13.592138
12 h after dark	14.914461	14.914461	14.914461