condition	mean	min	max
4 h after light	341.5	341.5	341.5
8 h after light	279.35	275.7	283.0
12 h after light	305.1	299.8	310.4
4 h after dark	398.7	396.4	401.0
8 h after dark	439.9	340.5	539.3
12 h after dark	429.25	342.6	515.9