condition	mean	min	max
4 h after light	26.3861	20.6371	32.1351
8 h after light	19.191049999999997	18.2217	20.1604
12 h after light	38.92595	38.6576	39.1943
4 h after dark	53.36203333333333	44.576	63.2283
8 h after dark	49.1409	40.1197	67.0112
12 h after dark	28.931	14.2116	37.8755