condition	mean	min	max
4 h after light	2000.485	1901.22	2146.935
8 h after light	1777.4738889999999	1423.645	1963.996667
12 h after light	1628.5566663333334	1439.243333	1784.803333
1.5 h after dark	1633.5366666666666	1349.9	1988.55
5.5 h after dark	2035.448889	1791.02	2417.66
9.5 h after dark	1975.18	1783.78	2161.6