condition	mean	min	max
4 h after light	3013.5	3013.5	3013.5
8 h after light	2643.7	2175.3	3112.1
12 h after light	1936.8	1559.6	2314.0
4 h after dark	1490.3	1325.5	1655.1
8 h after dark	2056.4	1589.2	2523.6
12 h after dark	3283.4	2738.5	3828.3