condition	mean	min	max
4 h after light	19.27495	18.2101	20.3398
8 h after light	13.57325	12.9998	14.1467
12 h after light	78.4922	74.0612	82.9232
4 h after dark	148.03766666666667	145.208	150.962
8 h after dark	100.4654	95.3862	103.14
12 h after dark	44.476866666666666	39.9455	47.3335