condition	mean	min	max
4 h after light	40.298041	33.752862	46.84322
8 h after light	28.1664965	26.414264	29.918729
12 h after light	34.4198755	31.762654	37.077097
4 h after dark	33.5119185	33.079548	33.944289
8 h after dark	46.8135965	41.517816	52.109377
12 h after dark	52.058757	52.058757	52.058757