condition	mean	min	max
4 h after light	2.500863333333333	0.0	4.07587
8 h after light	0.875709	0.192481	1.46417
12 h after light	1.4462373333333334	0.823952	2.19055
4 h after dark	2.16006	1.70365	2.64074
8 h after dark	4.17275	2.85471	4.95896
12 h after dark	7.84455	5.47795	11.6735