condition	mean	min	max
4 h after light	10.038533333333334	9.834019999999999	10.19635
8 h after light	12.99088	12.87195	13.09409
12 h after light	12.668673333333333	12.51074	12.776689999999999
4 h after dark	11.23642	10.85285	11.47199
8 h after dark	9.91531	9.77512	10.13082
12 h after dark	8.33696	7.982360000000001	8.672889999999999