condition	mean	min	max
4 h after light	1595.1	1595.1	1595.1
8 h after light	1531.8	1235.6	1828.0
12 h after light	928.55	797.4	1059.7
4 h after dark	961.6	751.3	1171.9
8 h after dark	789.1	620.7	957.5
12 h after dark	991.45	820.1	1162.8