condition	mean	min	max
4 h after light	12.461351666666667	9.046215	14.54982
8 h after light	19.268126666666667	16.751839999999998	21.76574
12 h after light	8.443408999999999	4.903208	13.30326
16 h after light	4.059748	3.519357	4.864006
4 h after dark	35.21906333333334	30.47372	38.55053
8 h after dark	8.428000333333333	6.3659550000000005	10.27827