condition	mean	min	max
0 h after light	3.288025	3.1481	3.42795
4 h after light	6.644385	6.13642	7.15235
8 h after light	16.6937	16.2499	17.1375
4 h after dark	13.814365	8.27113	19.3576
8 h after dark	7.85042	7.61262	8.08822
12 h after dark	4.509145	2.7338	6.28449