condition	mean	min	max
4 h after light	18.338250000000002	17.6143	19.0622
8 h after light	24.93985	24.6613	25.2184
12 h after light	27.5133	26.8841	28.1425
4 h after dark	42.28915	42.2175	42.3608
8 h after dark	40.733900000000006	38.8526	42.6152
12 h after dark	34.95675	33.015	36.8985