condition	mean	min	max
0 h after light	31.26035	30.5813	31.9394
4 h after light	16.6089	15.2588	17.959
8 h after light	19.81695	18.8206	20.8133
4 h after dark	20.6358	17.2713	24.0003
8 h after dark	25.6751	23.3153	28.0349
12 h after dark	26.7178	25.8197	27.6159