condition	mean	min	max
4 h after light	11.889399999999998	10.3303	13.4485
8 h after light	9.254864999999999	9.05834	9.45139
12 h after light	8.235365	7.12399	9.34674
4 h after dark	12.6414	11.8808	13.3989
8 h after dark	17.100766666666665	16.8189	17.4515
12 h after dark	15.8171	13.9641	17.8545