condition	mean	min	max
4 h after light	19.122300000000003	17.9215	20.3231
8 h after light	12.56345	11.7074	13.4195
12 h after light	17.65935	17.5423	17.7764
4 h after dark	24.7296	23.7511	25.7081
8 h after dark	39.0898	37.6524	40.5272
12 h after dark	33.6382	32.2075	35.0689