condition	mean	min	max
4 h after light	15.37725	13.8693	16.8852
8 h after light	8.44208	8.28765	8.59651
12 h after light	9.577829999999999	9.15786	9.9978
4 h after dark	8.54955	8.09757	8.9551
8 h after dark	8.202103333333334	7.28791	9.29988
12 h after dark	12.481633333333333	12.1338	13.0981