condition	mean	min	max
4 h after light	2556.9	2556.9	2556.9
8 h after light	2521.1	2356.7	2685.5
12 h after light	2208.0	1928.9	2487.1
4 h after dark	1456.4	1006.2	1906.6
8 h after dark	1109.9	1059.5	1160.3
12 h after dark	1152.9	1075.7	1230.1