condition	mean	min	max
4 h after light	53.5672	47.229	59.9054
8 h after light	25.0574	24.6408	25.474
12 h after light	20.8851	18.5038	23.2664
4 h after dark	31.7253	29.2539	34.9501
8 h after dark	43.5726	42.4902	44.4337
12 h after dark	56.32556666666667	53.4501	60.5814