condition	mean	min	max
4 h after light	11.0222	10.3174	11.727
8 h after light	12.10985	11.8765	12.3432
12 h after light	15.3239	14.8277	15.8201
4 h after dark	19.59025	18.7604	20.4201
8 h after dark	16.37995	15.9533	16.8066
12 h after dark	15.2129	14.9782	15.4476