condition	mean	min	max
4 h after light	50.679050000000004	46.9137	54.4444
8 h after light	15.442499999999999	14.4169	16.4681
12 h after light	6.47854	5.43272	7.52436
4 h after dark	19.228033333333332	18.15	20.4163
8 h after dark	31.600233333333335	30.3661	33.0084
12 h after dark	57.843333333333334	55.2478	60.5463