condition	mean	min	max
4 h after light	34.29315	31.4761	37.1102
8 h after light	59.29535	57.8928	60.6979
12 h after light	41.89485	40.4308	43.3589
4 h after dark	54.5925	52.2121	56.9879
8 h after dark	31.349833333333333	31.0258	31.6873
12 h after dark	27.155	25.6256	29.2434