condition	mean	min	max
0 h after light	12.52055	11.7864	13.2547
4 h after light	6.2041900000000005	5.57975	6.82863
8 h after light	3.52854	2.35747	4.69961
4 h after dark	7.696065	6.72828	8.66385
8 h after dark	8.7637	8.72683	8.80057
12 h after dark	10.16507	8.72934	11.6008