condition	mean	min	max
4 h after light	48.75095	48.4865	49.0154
8 h after light	36.06005	34.596	37.5241
12 h after light	42.639	42.2319	43.0461
4 h after dark	62.62035	61.8255	63.4152
8 h after dark	75.80485	74.7885	76.8212
12 h after dark	77.487	74.8652	80.1088