condition	mean	min	max
4 h after light	9.8682055	9.251517	10.484894
8 h after light	8.506396	8.001169	9.011623
12 h after light	8.4873405	8.380137	8.594544
4 h after dark	9.1899385	7.319901	11.059976
8 h after dark	8.561097	7.584169	9.538025
12 h after dark	8.881247	8.881247	8.881247