condition	mean	min	max
4 h after light	30.5601	29.873	31.2472
8 h after light	13.86365	13.8159	13.9114
12 h after light	11.72485	10.4558	12.9939
4 h after dark	13.38375	12.4498	14.3177
8 h after dark	16.1445	15.0258	17.2632
12 h after dark	21.55405	21.51	21.5981