condition	mean	min	max
0 h after light	12.643650000000001	12.3495	12.9378
4 h after light	9.358889999999999	9.26609	9.45169
8 h after light	5.62972	5.34249	5.91695
4 h after dark	12.13155	11.8674	12.3957
8 h after dark	17.74915	16.709	18.7893
12 h after dark	14.213149999999999	13.1642	15.2621