Predictor	Coef	SE Coef	T	P
Constant	0.01283000	0.00646500	1.98	0.094
Nat	−0.01163250	0.00097420	−11.94	0.000
MilDir	0.00014485	0.00006073	2.39	0.054
Rz	0.00232300	0.00153100	1.52	0.180
S = 0.00307985	R-Sq = 97.1%		R-Sq = 95.6%