condition	mean	min	max
0 h after light	24.18345	22.4233	25.9436
4 h after light	14.40225	14.3236	14.4809
8 h after light	13.47805	12.8107	14.1454
4 h after dark	19.7422	16.1292	23.3552
8 h after dark	28.5812	28.3051	28.8573
12 h after dark	23.6954	22.7086	24.6822