condition	mean	min	max
4 h after light	30.024526	28.881851	31.167201
8 h after light	20.6361345	19.442423	21.829846
12 h after light	22.0813455	15.014988	29.147703
4 h after dark	16.9767835	16.25929	17.694277
8 h after dark	17.9728225	13.586646	22.358999
12 h after dark	80.709639	80.709639	80.709639