condition	mean	min	max
4 h after light	9.65659	9.5762	9.79894
8 h after light	9.691663333333334	9.561630000000001	9.84778
12 h after light	9.646683333333334	9.63979	9.65526
4 h after dark	9.352030000000001	9.1583	9.60351
8 h after dark	9.342406666666665	9.23748	9.48322
12 h after dark	9.33206	9.2296	9.399569999999999