condition	mean	min	max
0 h after light	16.67515	14.9462	18.4041
4 h after light	10.320875000000001	8.56635	12.0754
8 h after light	8.703479999999999	8.21498	9.19198
4 h after dark	13.53515	12.6403	14.43
8 h after dark	13.29565	12.7779	13.8134
12 h after dark	15.04305	12.7759	17.3102