condition	mean	min	max
4 h after light	21635.2	21635.2	21635.2
8 h after light	21051.0	17239.2	24862.8
12 h after light	13271.25	7588.6	18953.9
4 h after dark	5133.85	1956.1	8311.6
8 h after dark	4139.5	2520.9	5758.1
12 h after dark	9791.900000000001	6468.1	13115.7