condition	mean	min	max
4 h after light	363.0	363.0	363.0
8 h after light	647.35	641.6	653.1
12 h after light	566.6	562.0	571.2
4 h after dark	427.85	408.4	447.3
8 h after dark	437.15	357.7	516.6
12 h after dark	429.8	429.1	430.5