Coefficients of the parabolic depth equation 2 and depth offset for XBTD deployed in low (DL) and high 
(DH) temperature waters (A non-dimensional, B in m-1 and Offset for Zoff in m )
 Year 	ADL 	  BDL   ZoffDL   ADH 	 BDH  ZoffDH  
 1968, -0.000078, 0.052,1.0, 0.000006,-0.054, 0.9
 1969, -0.000016, 0.024,1.5, 0.000046,-0.039, 0.9
 1970,  0.000040,-0.006,1.3, 0.000066,-0.025, 0.9
 1971,  0.000038,-0.014,1.7, 0.000039,-0.010, 0.8
 1972, -0.000004,-0.008,2.1,-0.000006, 0.015, 0.6
 1973, -0.000082, 0.021,2.4,-0.000021, 0.023, 0.5
 1974, -0.000151, 0.062,2.7, 0.000003, 0.008, 0.5
 1975, -0.000137, 0.075,2.9, 0.000016, 0.001, 0.6
 1976, -0.000049, 0.052,2.9,-0.000015, 0.021, 0.4
 1977,  0.000037, 0.018,2.5,-0.000057, 0.048, 0.1
 1978,  0.000070,-0.004,1.8,-0.000054, 0.046,-0.0
 1979,  0.000062,-0.004,1.3,-0.000021, 0.029,-0.0
 1980,  0.000025, 0.026,1.3, 0.000002, 0.019, 0.1
 1981,  0.000019, 0.026,1.3,-0.000004, 0.017, 0.2
 1982,  0.000102,-0.070,0.9,-0.000026, 0.019, 0.4
 1983,  0.000167,-0.156,0.4, 0.000013,-0.009, 0.6
 1984,  0.000118,-0.145,0.6, 0.000071,-0.048, 0.7
 1985,  0.000006,-0.084,1.4, 0.000054,-0.039, 0.9
 1986, -0.000053,-0.037,2.3, 0.000015,-0.012, 1.2
 1987, -0.000033,-0.021,2.9, 0.000003,-0.005, 1.6
 1988, -0.000003,-0.018,3.1, 0.000014,-0.015, 1.9
 1989,  0.000014,-0.025,2.8, 0.000022,-0.022, 1.8
 1990,  0.000016,-0.027,2.4, 0.000011,-0.010, 1.6
 1991,  0.000025,-0.031,2.2, 0.000012,-0.008, 1.4
 1992,  0.000025,-0.026,2.0, 0.000016,-0.006, 1.0
 1993,  0.000001,-0.003,1.8, 0.000004, 0.006, 0.6
 1994,  0.000003, 0.001,1.7, 0.000000, 0.006, 0.4
 1995,  0.000038,-0.030,2.0, 0.000007,-0.006, 0.4
 1996,  0.000066,-0.068,2.5, 0.000006,-0.009, 0.6
 1997,  0.000040,-0.073,3.2,-0.000006,-0.001, 0.9
 1998, -0.000012,-0.063,3.9,-0.000000,-0.014, 1.5
 1999, -0.000004,-0.080,4.6, 0.000026,-0.041, 1.9
 2000,  0.000043,-0.107,4.8, 0.000023,-0.033, 1.8
 2001,  0.000091,-0.131,4.2,-0.000008, 0.002, 1.3
 2002,  0.000110,-0.132,3.2,-0.000014, 0.013, 0.8
 2003,  0.000060,-0.073,1.8, 0.000002, 0.004, 0.6
 2004, -0.000031, 0.010,0.6, 0.000001, 0.001, 0.4
 2005, -0.000109, 0.059,0.1,-0.000022, 0.011, 0.4
 2006, -0.000138, 0.071,0.6,-0.000041, 0.029, 0.5
 2007, -0.000011, 0.012,2.2,-0.000032, 0.033, 0.7