condition	mean	min	max
4 h after light	1861.3027776666665	1662.443333	1967.73
8 h after light	1884.2455556666666	1778.01	2012.466667
12 h after light	1693.77	1402.103333	2118.056667
1.5 h after dark	1742.0444443333333	1524.203333	2033.18
5.5 h after dark	1929.6499999999999	1477.6	2193.586667
9.5 h after dark	1606.521111	1518.76	1685.3