condition	mean	min	max
0 h after light	15.1025	12.8649	17.3401
4 h after light	11.089465	8.34173	13.8372
8 h after light	12.2075	12.0336	12.3814
4 h after dark	22.21185	21.9104	22.5133
8 h after dark	18.16275	17.5082	18.8173
12 h after dark	16.9631	15.4172	18.509