condition	mean	min	max
4 h after light	9.415140000000001	8.34358	10.4867
8 h after light	8.960995	7.66129	10.2607
12 h after light	27.08125	26.4193	27.7432
4 h after dark	56.759100000000004	47.1457	66.3725
8 h after dark	34.550200000000004	31.8228	37.2776
12 h after dark	9.505315	9.01909	9.99154