condition	mean	min	max
4 h after light	9.432105	8.95459	9.90962
8 h after light	13.27805	10.9202	15.6359
12 h after light	32.87475	26.8437	38.9058
4 h after dark	33.85963333333333	32.349	35.297
8 h after dark	16.7387	12.9526	20.8319
12 h after dark	13.093733333333333	10.6645	15.8921