condition	mean	min	max
4 h after light	28666.851113333334	26963.26	30062.42667
8 h after light	31121.97333333333	30795.84333	31529.41667
12 h after light	28204.627776666668	27357.56	29502.75
1.5 h after dark	25707.612223333334	18903.44333	33019.23667
5.5 h after dark	24709.51	21378.44	30132.55667
9.5 h after dark	26143.64778	24629.87	27868.12667