condition	mean	min	max
0 h after light	2.71808	0.0	5.43616
4 h after light	21.9769	10.7195	33.2343
8 h after light	30.1244	21.513	38.7358
4 h after dark	16.0592	10.678	21.4404
8 h after dark	16.15205	10.7079	21.5962
12 h after dark	18.8236	15.9318	21.7154