condition	mean	min	max
0 h after light	1971.5	1966.71	1976.29
4 h after light	2916.205	2808.87	3023.54
8 h after light	2943.41	2846.72	3040.1
4 h after dark	1282.205	1257.37	1307.04
8 h after dark	1428.475	1425.33	1431.62
12 h after dark	2230.69	2198.32	2263.06