Table 2.

Average values for growth unit length (cm) of order 1 at two sites

	Good Site: Los Alamos		Regular Site: La Granja
	Simulation results	Validation database	Simulation results	Validation database
Mean (s.e.)	57·3 (2·5)	54·1 (3·5)	40·3 (2·9)	45·2 (5·9)
Sample size	156	69	97	31
Range	13·3–172·9	14–166	4·6–167·2	10–127