condition	mean	min	max
4 h after light	8.259066	7.478225	9.039907
8 h after light	8.554274	8.482898	8.62565
12 h after light	8.238372	7.851094	8.62565
4 h after dark	8.62613	8.472516	8.779744
8 h after dark	9.8783225	9.716119	10.040526
12 h after dark	8.889539	8.889539	8.889539