condition	mean	min	max
4 h after light	20740.5	20740.5	20740.5
8 h after light	20587.25	20354.0	20820.5
12 h after light	18271.300000000003	16737.7	19804.9
4 h after dark	16977.7	15854.9	18100.5
8 h after dark	14326.900000000001	14169.2	14484.6
12 h after dark	11600.0	10734.3	12465.7