condition	mean	min	max
4 h after light	83.08585	80.2495	85.9222
8 h after light	52.48995	52.0227	52.9572
12 h after light	28.8523	28.0837	29.6209
4 h after dark	27.2581	26.909	27.6072
8 h after dark	44.99395	44.5191	45.4688
12 h after dark	73.6677	71.384	75.9514