condition	mean	min	max
4 h after light	1197.9	1197.9	1197.9
8 h after light	1558.95	939.0	2178.9
12 h after light	1540.0500000000002	1368.9	1711.2
4 h after dark	1906.5	644.8	3168.2
8 h after dark	1530.4	1115.9	1944.9
12 h after dark	1959.85	1208.8	2710.9