condition	mean	min	max
4 h after light	1165.7	1165.7	1165.7
8 h after light	1096.45	975.1	1217.8
12 h after light	981.95	979.4	984.5
4 h after dark	879.2	717.5	1040.9
8 h after dark	830.05	830.0	830.1
12 h after dark	957.45	935.5	979.4