condition	mean	min	max
4 h after light	29.101	27.7793	30.4227
8 h after light	17.0047	15.0242	18.9852
12 h after light	18.5016	17.1011	19.9021
4 h after dark	21.0292	17.2422	23.6418
8 h after dark	27.7129	23.8656	34.2168
12 h after dark	27.358233333333335	17.713	34.3714