condition	mean	min	max
4 h after light	9.235070499999999	8.364436	10.105705
8 h after light	9.668284	9.010495	10.326073
12 h after light	9.457188	9.158543	9.755833
4 h after dark	9.263445	8.736762	9.790128
8 h after dark	8.961016	8.508947	9.413085
12 h after dark	9.79201	9.79201	9.79201