condition	mean	min	max
4 h after light	33.47065	31.0461	35.8952
8 h after light	39.35665	39.3301	39.3832
12 h after light	69.21805	66.4766	71.9595
4 h after dark	79.06129999999999	77.2627	80.8599
8 h after dark	69.1762	69.1202	69.2322
12 h after dark	50.20025	49.6986	50.7019