condition	mean	min	max
4 h after light	39.576750000000004	37.6549	41.4986
8 h after light	28.01455	24.8975	31.1316
12 h after light	22.58725	21.8546	23.3199
4 h after dark	11.907350000000001	11.7422	12.0725
8 h after dark	9.008375000000001	7.26315	10.7536
12 h after dark	21.39535	20.4302	22.3605