condition	mean	min	max
0 h after light	28.9958	28.1863	29.8053
4 h after light	10.061625	9.57325	10.55
8 h after light	12.1856	11.6192	12.752
4 h after dark	15.54025	14.3539	16.7266
8 h after dark	21.9316	19.9587	23.9045
12 h after dark	23.383	18.3569	28.4091