condition	mean	min	max
4 h after light	9.4307135	9.34304	9.518387
8 h after light	8.8585025	7.824967	9.892038
12 h after light	8.580435999999999	8.322675	8.838197
4 h after dark	8.899678	8.777656	9.0217
8 h after dark	9.032516	8.305359	9.759673
12 h after dark	7.588417	7.588417	7.588417