condition	mean	min	max
4 h after light	8.90428	8.63482	9.17374
8 h after light	10.084029999999998	9.87436	10.2937
12 h after light	11.13094	9.27288	12.989
4 h after dark	22.54955	17.7539	27.3452
8 h after dark	14.0368	13.7727	14.3009
12 h after dark	10.759395	9.86239	11.6564