condition	mean	min	max
4 h after light	1230.4	1230.4	1230.4
8 h after light	1025.25	755.4	1295.1
12 h after light	775.5	457.5	1093.5
4 h after dark	659.25	510.6	807.9
8 h after dark	866.65	822.9	910.4
12 h after dark	809.2	770.0	848.4