condition	mean	min	max
4 h after light	18.585183333333333	8.23625	26.2357
8 h after light	9.992750000000001	1.98405	17.6761
12 h after light	10.99572	5.73106	17.0916
4 h after dark	17.32336666666667	10.3259	22.3476
8 h after dark	18.4293	11.4483	24.8289
12 h after dark	34.0863	28.3685	43.11