condition	mean	min	max
4 h after light	17.628173333333333	14.39789	19.883589999999998
8 h after light	19.23902	14.8868	26.84248
12 h after light	22.71338666666667	17.610210000000002	28.19482
16 h after light	13.367424333333334	8.624563	16.620070000000002
4 h after dark	26.97708	23.4261	30.96058
8 h after dark	11.862731333333333	8.178004	15.09731