condition	mean	min	max
4 h after light	1275.2	1275.2	1275.2
8 h after light	1200.25	1026.0	1374.5
12 h after light	1152.95	1067.0	1238.9
4 h after dark	1329.65	1298.5	1360.8
8 h after dark	1168.75	1111.8	1225.7
12 h after dark	1200.55	1082.3	1318.8