condition	mean	min	max
4 h after light	1799.9	1799.9	1799.9
8 h after light	2134.95	1908.6	2361.3
12 h after light	2300.85	2295.6	2306.1
4 h after dark	1749.9	1532.7	1967.1
8 h after dark	1537.3	1383.6	1691.0
12 h after dark	1341.25	1272.1	1410.4