condition	mean	min	max
4 h after light	7.6092233333333334	5.2541	12.042
8 h after light	11.213336666666667	3.27481	18.1228
12 h after light	13.91993	7.21209	22.0133
4 h after dark	19.7843	14.065	25.2472
8 h after dark	12.32356	9.69758	14.6201
12 h after dark	8.62914	8.18819	9.47773