condition	mean	min	max
4 h after light	142.8045	140.765	144.844
8 h after light	99.4734	98.4768	100.47
12 h after light	59.091300000000004	55.0465	63.1361
4 h after dark	75.60775	73.8003	77.4152
8 h after dark	101.98599999999999	101.277	102.695
12 h after dark	129.2015	129.093	129.31