condition	mean	min	max
4 h after light	13.0757	12.1984	13.953
8 h after light	11.61025	11.0826	12.1379
12 h after light	14.235050000000001	13.1602	15.3099
4 h after dark	19.061349999999997	18.394	19.7287
8 h after dark	18.55755	18.2738	18.8413
12 h after dark	17.8637	16.7593	18.9681