condition	mean	min	max
4 h after light	1065.4	1065.4	1065.4
8 h after light	1216.35	1065.9	1366.8
12 h after light	1191.85	890.0	1493.7
4 h after dark	813.0	644.5	981.5
8 h after dark	613.6	365.8	861.4
12 h after dark	368.6	276.5	460.7