condition	mean	min	max
4 h after light	12.94353	12.51285	13.391670000000001
8 h after light	13.959275333333334	9.816366	20.152820000000002
12 h after light	16.11259833333333	7.803675	20.55436
16 h after light	18.780268	8.603214	30.531579999999998
4 h after dark	22.080763333333334	15.27615	31.91099
8 h after dark	17.54053	13.78723	21.78614