condition	mean	min	max
4 h after light	45.8261355	38.384964	53.267307
8 h after light	47.67998	43.581807	51.778153
12 h after light	54.2038685	51.296501	57.111236
4 h after dark	66.5491615	64.782905	68.315418
8 h after dark	62.621641	51.241245	74.002037
12 h after dark	53.971229	53.971229	53.971229