condition	mean	min	max
0 h after light	21.95445	21.8862	22.0227
4 h after light	9.609615	9.30301	9.91622
8 h after light	8.821909999999999	8.69972	8.9441
4 h after dark	10.867615	9.65513	12.0801
8 h after dark	13.660499999999999	12.5527	14.7683
12 h after dark	17.6101	13.5129	21.7073