condition	mean	min	max
0 h after light	12.9299	11.4214	14.4384
4 h after light	17.1742	16.7466	17.6018
8 h after light	23.1598	21.1047	25.2149
4 h after dark	14.16555	12.3862	15.9449
8 h after dark	21.70585	14.8484	28.5633
12 h after dark	17.89195	16.0691	19.7148