condition	mean	min	max
0 h after light	20.8123	19.9342	21.6904
4 h after light	21.181	21.0089	21.3531
8 h after light	25.8796	25.3049	26.4543
4 h after dark	33.5282	33.0677	33.9887
8 h after dark	29.060450000000003	28.6855	29.4354
12 h after dark	22.43515	21.0596	23.8107