condition	mean	min	max
0 h after light	12.58335	11.9613	13.2054
4 h after light	11.17405	10.0735	12.2746
8 h after light	10.705555	9.93951	11.4716
4 h after dark	11.77125	11.5078	12.0347
8 h after dark	17.74255	17.2134	18.2717
12 h after dark	12.53455	12.3109	12.7582