condition	mean	min	max
4 h after light	30456.905000000002	26735.21	34732.535
8 h after light	28329.857223333333	22878.62	33644.575
12 h after light	25144.83	22197.49333	28593.23
1.5 h after dark	29152.556666666667	24334.93333	35430.51
5.5 h after dark	31721.50111	25942.00333	42062.61667
9.5 h after dark	34467.63333	33497.14333	35814.82333