condition	mean	min	max
4 h after light	20.545673333333333	16.03867	25.287370000000003
8 h after light	18.673373333333334	12.909289999999999	24.1564
12 h after light	8.170477	5.217752	11.89825
16 h after light	16.740909333333335	8.711038	23.05305
4 h after dark	7.853475	7.3255300000000005	8.328449
8 h after dark	7.740734	4.742268	9.36682