condition mean min max 4 h after light 1.617305 1.43973 1.79488 8 h after light 0.539708 0.478552 0.600864 12 h after light 0.5098965 0.438347 0.581446 4 h after dark 0.321588 0.31928 0.323896 8 h after dark 0.5185919999999999 0.317183 0.720001 12 h after dark 0.780896 0.742689 0.819103