condition	mean	min	max
0 h after light	8.244835	6.87784	9.61183
4 h after light	13.7193	11.1928	16.2458
8 h after light	9.627205	8.38651	10.8679
4 h after dark	10.81528	8.09146	13.5391
8 h after dark	16.296599999999998	16.2282	16.365
12 h after dark	12.937515	8.04843	17.8266