condition	mean	min	max
4 h after light	17.2332985	15.548635	18.917962
8 h after light	19.188737	18.917962	19.459512
12 h after light	16.944722499999997	16.314608	17.574837
4 h after dark	19.540622499999998	18.934058	20.147187
8 h after dark	21.274071499999998	19.836149	22.711994
12 h after dark	21.82042	21.82042	21.82042