condition	mean	min	max
4 h after light	11.1679	10.4677	11.8681
8 h after light	7.016965	6.75898	7.27495
12 h after light	7.237555	6.52243	7.95268
4 h after dark	14.843250000000001	14.1517	15.5348
8 h after dark	15.0776	14.6456	15.5096
12 h after dark	14.21355	14.2122	14.2149