condition	mean	min	max
0 h after light	14.59375	14.5807	14.6068
4 h after light	9.464525	7.42835	11.5007
8 h after light	22.3166	21.9987	22.6345
4 h after dark	18.5872	15.5748	21.5996
8 h after dark	14.53485	13.1538	15.9159
12 h after dark	12.43215	11.3952	13.4691