condition	mean	min	max
4 h after light	9.7147585	9.234833	10.194684
8 h after light	9.0039735	8.620355	9.387592
12 h after light	9.328104	9.268616	9.387592
4 h after dark	9.9535515	9.86487	10.042233
8 h after dark	9.659751499999999	8.446746	10.872757
12 h after dark	9.620816	9.620816	9.620816