condition	mean	min	max
4 h after light	27.23115	24.7669	29.6954
8 h after light	20.101149999999997	19.5891	20.6132
12 h after light	17.54185	16.8165	18.2672
4 h after dark	22.2539	21.3392	23.8213
8 h after dark	27.280866666666665	26.7853	28.1588
12 h after dark	26.4983	26.0113	27.2348