condition	mean	min	max
4 h after light	1319.5	1319.5	1319.5
8 h after light	1277.9	1178.2	1377.6
12 h after light	1408.6	1292.9	1524.3
4 h after dark	1046.2	1037.9	1054.5
8 h after dark	1470.35	1386.0	1554.7
12 h after dark	1476.4	1471.4	1481.4