| IT | Silicate |
|---|
| months since 1960-01-01 | micro mole/L |
|---|
| 1200 23 Mar 1994 - 1200 8 Apr 1994 | 14.4 |
| 1200 8 Apr 1994 - 1200 23 Apr 1994 | -8.799999 |
| 1200 23 Apr 1994 - 1200 8 May 1994 | 10.0 |
| 1200 8 May 1994 - 1200 23 May 1994 | -5.0 |
| 1200 23 May 1994 - 1200 8 Jun 1994 | -10.1 |
| 1200 8 Jun 1994 - 1200 23 Jun 1994 | 14.5 |
| 1200 23 Jun 1994 - 1200 8 Jul 1994 | -1.0 |
| 1200 8 Jul 1994 - 1200 23 Jul 1994 | -12.2 |
| 1200 23 Jul 1994 - 1200 8 Aug 1994 | 6.700001 |
| 1200 8 Aug 1994 - 1200 23 Aug 1994 | -8.8 |
| 1200 23 Aug 1994 - 1200 8 Sep 1994 | -1.0 |
| 1200 8 Mar 1995 - 1200 23 Mar 1995 | 16.0 |
| 1200 23 Mar 1995 - 1200 8 Apr 1995 | -4.699999 |
| 1200 8 Apr 1995 - 1200 23 Apr 1995 | -1.799999 |
| 1200 23 Apr 1995 - 1200 8 May 1995 | 5.299999 |
| 1200 8 May 1995 - 1200 23 May 1995 | -5.9 |
| 1200 23 May 1995 - 1200 8 Jun 1995 | -16.1 |
| 1200 8 Jun 1995 - 1200 23 Jun 1995 | 16.8 |
| 1200 23 Jun 1995 - 1200 8 Jul 1995 | -8.300001 |
| 1200 8 Jul 1995 - 1200 23 Jul 1995 | -11.8 |
| 1200 23 Jul 1995 - 1200 8 Aug 1995 | 6.9 |
| 1200 8 Aug 1995 - 1200 23 Aug 1995 | 16.0 |
| 1200 23 Aug 1995 - 1200 8 Sep 1995 | -11.9 |
| 1200 23 Nov 1995 - 1200 8 Dec 1995 | 33.0 |
| 1200 8 Apr 1996 - 1200 23 Apr 1996 | 9.900001 |
| 1200 23 Apr 1996 - 1200 8 May 1996 | 6.4 |
| 1200 8 May 1996 - 1200 23 May 1996 | -20.4 |
| 1200 23 May 1996 - 1200 8 Jun 1996 | 34.4 |
| 1200 8 Jul 1996 - 1200 23 Jul 1996 | -0.8999996 |
| 1200 23 Jul 1996 - 1200 8 Aug 1996 | -0.6999998 |
| 1200 8 Aug 1996 - 1200 23 Aug 1996 | -2.6 |
| 1200 23 Aug 1996 - 1200 8 Sep 1996 | 4.4 |
| 1200 8 Sep 1996 - 1200 23 Sep 1996 | 13.5 |
| 1200 23 Sep 1996 - 1200 8 Oct 1996 | -15.1 |
| 1200 23 Mar 1997 - 1200 8 Apr 1997 | 9.0 |
| 1200 8 Apr 1997 - 1200 23 Apr 1997 | -12.7 |
| 1200 23 Apr 1997 - 1200 8 May 1997 | -11.7 |
| 1200 8 May 1997 - 1200 23 May 1997 | 8.599999 |
| 1200 23 May 1997 - 1200 8 Jun 1997 | 9.300001 |
| 1200 8 Jun 1997 - 1200 23 Jun 1997 | -2.300001 |
| 1200 23 Jun 1997 - 1200 8 Jul 1997 | -17.8 |
| 1200 8 Jul 1997 - 1200 23 Jul 1997 | 8.799999 |
| 1200 23 Jul 1997 - 1200 8 Aug 1997 | -3.299999 |
| 1200 8 Aug 1997 - 1200 23 Aug 1997 | -2.5 |
| 1200 23 Aug 1997 - 1200 8 Sep 1997 | -3.400001 |
| 1200 8 Sep 1997 - 1200 23 Sep 1997 | 3.000001 |
| 1200 23 Dec 1997 - 1200 8 Jan 1998 | 10.2 |