condition	mean	min	max
4 h after light	16.663379	14.606575	18.720183
8 h after light	15.9384825	15.805945	16.07102
12 h after light	17.4282435	17.089029	17.767458
4 h after dark	16.881069	16.881069	16.881069
8 h after dark	15.830337499999999	14.779606	16.881069
12 h after dark	19.25159	19.25159	19.25159