condition	mean	min	max
4 h after light	2823.792222	2376.17	3235.143333
8 h after light	2093.415	1815.915	2462.696667
12 h after light	1629.78	1211.75	2377.633333
1.5 h after dark	1938.0866663333334	1662.993333	2153.143333
5.5 h after dark	3626.031111	2942.25	4256.333333
9.5 h after dark	3505.5933333333332	3400.5	3625.76