| Target Period | OBS (°C) | 0 lead | 1 lead | 2 lead | 3 lead | 4 lead | 5 lead | 6 lead | 7 lead | |
| JFM 93 | 0.3 | -0.1 | ||||||||
| FMA 93 | 0.7 | 0.0 | ||||||||
| MAM 93 | 1.1 | 0.2 | ||||||||
| AMJ 93 | 1.2 | 0.6 | 0.2 | |||||||
| MJJ 93 | 0.9 | 0.7 | 0.2 | |||||||
| JJA 93 | 0.4 | 1.0 | 0.4 | |||||||
| JAS 93 | 0.2 | 1.1 | 0.6 | -0.7 | ||||||
| ASO 93 | 0.3 | 0.2 | 0.8 | -0.8 | ||||||
| SON 93 | 0.3 | 0.4 | 1.3 | 0.3 | ||||||
| OND 93 | 0.3 | 0.6 | 1.7 | 0.7 | -0.5 | |||||
| NDJ 93 | 0.2 | 0.3 | 0.9 | 1.2 | -0.4 | |||||
| DJF 93 | 0.1 | 0.2 | 0.3 | 1.4 | 0.4 | |||||
| JFM 94 | 0.0 | 0.0 | 0.2 | 1.0 | 0.3 | -0.3 | ||||
| FMA 94 | -0.2 | -0.2 | 0.2 | 0.4 | 0.4 | 0.2 | ||||
| MAM 94 | 0.0 | -0.4 | -0.1 | 0.0 | 0.5 | 0.0 | ||||
| AMJ 94 | 0.1 | -0.2 | -0.4 | -0.4 | -0.3 | 0.0 | 0.0 | |||
| MJJ 94 | 0.1 | -0.4 | -0.3 | -0.2 | -0.2 | -0.2 | 0.1 | |||
| JJA 94 | -0.1 | 0.0 | -0.3 | -0.6 | -0.2 | -0.3 | 0.1 | |||
| JAS 94 | -0.1 | 0.6 | -0.2 | -0.6 | -0.7 | -0.6 | -0.1 | 0.0 | ||
| ASO 94 | 0.2 | -0.5 | -0.4 | -1.2 | -0.8 | -0.2 | 0.0 | 0.1 | ||
| SON 94 | 0.6 | 0.2 | 0.4 | -0.5 | -1.0 | -0.5 | -0.5 | 0.0 | ||
| OND 94 | 0.9 | 0.6 | 0.9 | -0.1 | -0.3 | -0.8 | -0.6 | 0.4 | 0.0 | |
| NDJ 94 | 1.0 | 0.6 | 0.9 | 0.0 | -0.7 | -0.5 | -0.4 | 0.1 | 0.1 | |
| DJF 94 | 0.8 | 0.8 | 0.5 | 0.5 | -0.4 | -0.7 | -0.1 | -0.2 | 0.1 | |
| JFM 95 | 0.5 | 0.8 | 0.2 | 0.6 | 0.0 | -0.2 | -0.5 | 0.0 | 0.3 | |
| FMA 95 | 0.2 | 0.2 | 0.3 | 0.4 | -0.1 | 0.0 | 0.1 | 0.2 | 0.2 | |
| MAM 95 | -0.2 | 0.3 | 0.1 | 0.1 | 0.4 | 0.1 | -0.1 | 0.1 | 0.1 | |
| AMJ 95 | -0.2 | -0.1 | 0.4 | -0.4 | -0.4 | 0.0 | 0.0 | 0.1 | 0.1 | |
| MJJ 95 | -0.2 | 0.2 | 0.8 | -0.1 | -0.3 | 0.2 | 0.2 | 0.1 | 0.1 | |
| JJA 95 | -0.2 | -0.7 | 0.5 | -0.1 | 0.4 | -0.3 | 0.2 | 0.3 | 0.1 | |
| JAS 95 | -0.4 | -0.2 | -0.2 | -0.3 | -0.5 | -0.6 | 0.2 | 0.0 | 0.0 | |
| ASO 95 | -0.6 | -0.2 | -0.7 | -0.2 | -0.8 | 0.0 | 0.5 | 0.0 | 0.0 | |
| SON 95 | -0.8 | -0.5 | -0.2 | 0.4 | -0.5 | -0.3 | 0.0 | 0.2 | 0.3 | |
| OND 95 | -0.8 | -0.5 | -0.1 | 0.2 | -0.1 | -0.7 | -0.3 | 0.4 | 0.0 | |
| NDJ 95 | -0.7 | -0.9 | -0.1 | 0.0 | 0.6 | -0.5 | 0.3 | 0.5 | 0.0 | |
| DJF 95 | -0.6 | -0.7 | -0.1 | -0.1 | 0.5 | -0.5 | 0.5 | 0.2 | 0.3 | |
| JFM 96 | -0.4 | -0.5 | -0.4 | 0.1 | 0.0 | 0.0 | -0.4 | 0.0 | 0.5 | |
| FMA 96 | -0.4 | -0.2 | -0.3 | 0.1 | 0.2 | 0.5 | 0.1 | 0.4 | 0.5 | |
| MAM 96 | -0.4 | -0.3 | 0.0 | 0.1 | -0.1 | 0.1 | 0.0 | 0.1 | 0.1 | |
| AMJ 96 | -0.4 | 0.0 | 0.2 | -0.2 | -0.2 | 0.3 | 0.4 | 0.1 | 0.1 | |
| MJJ 96 | -0.3 | -0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | |
| JJA 96 | -0.2 | -0.4 | 0.1 | -0.1 | 0.5 | 0.0 | -0.1 | 0.2 | 0.1 | |
| JAS 96 | -0.2 | -0.4 | 0.1 | -0.3 | -0.5 | -0.3 | -0.1 | 0.0 | 0.1 | |
| ASO 96 | -0.3 | -0.2 | -0.6 | -0.3 | -0.5 | -0.2 | 0.2 | 0.0 | 0.1 | |
| SON 96 | -0.4 | -0.6 | 0.1 | 0.1 | -0.6 | 0.1 | 0.0 | -0.2 | 0.2 | |
| OND 96 | -0.5 | -0.5 | -0.5 | 0.1 | 0.0 | -0.5 | -0.5 | -0.4 | 0.1 | |
| NDJ 96 | -0.7 | -0.5 | -0.2 | -0.3 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | |
| DJF 96 | -0.7 | -0.4 | -0.3 | 0.2 | 0.2 | -0.4 | 0.3 | 0.1 | -0.1 | |
| JFM 97 | -0.3 | -0.6 | -0.2 | 0.2 | 0.3 | 0.0 | -0.3 | -0.5 | -0.4 | |
| FMA 97 | 0.0 | -0.2 | -0.1 | 0.0 | 0.1 | 0.2 | 0.1 | 0.0 | -0.1 | |
| MAM 97 | 0.7 | -0.2 | 0.0 | 0.1 | -0.1 | 0.1 | 0.0 | 0.1 | 0.1 | |
| AMJ 97 | 1.3 | 0.9 | -0.1 | 0.2 | 0.4 | 0.0 | 0.0 | 0.1 | 0.1 | |
| MJJ 97 | 2.0 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 0.0 | 0.0 | 0.1 | |
| JJA 97 | 2.6 | 1.4 | 0.8 | 0.4 | 0.0 | 0.3 | 0.3 | 0.6 | 0.1 | |
| JAS 97 | 3.0 | 2.2 | 1.1 | 0.1 | 0.4 | 0.4 | 0.1 | 0.0 | 0.0 | |
| ASO 97 | 3.2 | 2.6 | 0.9 | 0.5 | 0.3 | 0.5 | 0.5 | 0.1 | 0.0 | |
| SON 97 | 3.4 | 2.8 | 2.0 | 0.8 | 0.4 | 0.3 | 0.3 | 0.3 | 0.7 | |
| OND 97 | 3.7 | 2.9 | 2.9 | 1.5 | 0.5 | 0.5 | 0.2 | 0.4 | 0.0 | |
| NDJ 97 | 3.6 | 3.8 | 3.3 | 1.5 | 0.8 | 0.4 | 0.6 | 1.0 | 0.1 | |
| DJF 97 | 3.3 | 3.1 | 2.9 | 2.1 | 0.8 | 0.6 | 0.5 | 0.5 | 0.5 | |
| JFM 98 | 2.8 | 2.5 | 1.8 | 1.8 | 0.8 | 0.4 | 0.4 | -0.1 | 0.3 | |
| FMA 98 | 2.2 | 1.7 | 1.6 | 1.4 | 0.1 | 0.2 | 0.1 | 0.3 | 0.4 | |
| MAM 98 | 1.8 | 1.6 | 1.0 | 0.1 | 0.3 | 0.1 | 0.2 | 0.0 | 0.0 | |
| AMJ 98 | 1.0 | 1.3 | 0.1 | -0.3 | 0.1 | -0.1 | 0.1 | 0.0 | 0.0 | |
| MJJ 98 | 0.3 | 1.3 | 0.0 | -0.3 | -0.4 | -0.1 | 0.3 | 0.0 | 0.0 | |
| JJA 98 | -0.2 | 0.5 | -0.1 | -0.2 | -0.2 | -0.3 | 0.2 | 0.1 | 0.1 | |
| JAS 98 | -0.3 | -0.6 | 0.5 | -0.6 | -1.0 | -0.9 | 0.0 | 0.0 | 0.0 | |
| ASO 98 | -0.4 | -0.2 | 1.0 | 0.0 | 0.4 | -0.4 | -0.2 | 0.2 | 0.0 | |
| SON 98 | -0.6 | -0.6 | -1.2 | -0.1 | -0.3 | -0.7 | -0.2 | 0.2 | 0.1 | |
| OND 98 | -0.8 | -0.8 | -1.2 | -0.4 | -1.9 | -1.2 | -0.3 | 0.2 | 0.0 | |
| NDJ 98 | -1.0 | -0.7 | -1.8 | -0.4 | -1.2 | -0.9 | -0.4 | -0.3 | 0.2 | |
| DJF 98 | -1.0 | -0.5 | -1.7 | -1.2 | -0.1 | -1.0 | -1.0 | 0.0 | 0.3 | |
| JFM 99 | -0.7 | 0.0 | -1.1 | -1.1 | -0.4 | -1.3 | -0.8 | -0.1 | -0.1 | |
| FMA 99 | -0.5 | -0.5 | -0.2 | -0.8 | -0.2 | -0.7 | 0.1 | -0.3 | 0.0 | |
| MAM 99 | -0.4 | -0.6 | 0.1 | 0.1 | -0.3 | 0.1 | 0.1 | 0.1 | 0.1 | |
| AMJ 99 | -0.5 | -0.3 | 0.0 | -0.5 | -0.4 | -1.0 | -0.6 | 0.1 | 0.1 | |
| MJJ 99 | -0.5 | -0.2 | -1.0 | 0.2 | 0.4 | -0.7 | -0.6 | 0.1 | 0.1 | |
| JJA 99 | -0.7 | 0.1 | -0.8 | 0.4 | -0.5 | -0.5 | -0.8 | -0.8 | 0.1 | |
| JAS 99 | -0.8 | -0.4 | -0.3 | -0.2 | -0.5 | -0.1 | -1.3 | 0.0 | 0.0 | |
| ASO 99 | -0.9 | -0.6 | -0.2 | -0.6 | 0.6 | 0.1 | -1.0 | -0.8 | 0.0 | |
| SON 99 | -1.1 | -0.7 | -0.4 | -1.0 | 0.8 | 0.5 | -0.6 | -1.2 | -1.1 | |
| OND 99 | -1.2 | -0.6 | -0.7 | -0.9 | -0.4 | -0.5 | -0.9 | -1.5 | 0.0 | |
| NDJ 99 | -1.5 | -1.0 | -1.0 | -0.8 | -1.6 | 0.5 | -1.0 | -0.8 | -1.1 | |
| DJF 99 | -1.3 | -1.0 | -1.2 | -0.4 | -1.0 | 0.2 | -1.2 | -1.3 | -1.3 | |
| JFM 00 | -1.0 | -0.6 | -0.6 | -0.4 | 0.0 | -0.3 | -0.4 | -1.5 | -1.3 | |
| FMA 00 | -0.3 | -0.9 | -0.4 | -0.3 | -0.1 | -0.4 | 0.1 | -0.6 | -0.1 | |
| MAM 00 | 0.0 | -0.5 | -0.3 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | |
| AMJ 00 | -0.1 | 0.1 | -0.1 | -0.1 | 0.0 | -0.1 | 0.1 | 0.1 | 0.1 | |
| MJJ 00 | -0.2 | 0.2 | -0.4 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | |
| JJA 00 | -0.3 | 0.2 | 0.0 | -0.1 | 0.2 | 0.5 | 0.3 | 0.2 | 0.1 | |
| JAS 00 | -0.3 | 0.0 | 0.3 | 0.5 | 0.6 | 0.4 | 0.1 | 0.0 | 0.0 | |
| ASO 00 | -0.3 | -0.2 | -0.6 | -0.2 | 0.4 | 0.4 | 0.3 | 0.0 | ||
| SON 00 | -0.2 | -0.3 | -0.3 | 0.1 | 0.2 | 0.6 | 0.4 | 0.1 | ||
| OND 00 | -0.4 | 0.1 | -0.1 | 0.7 | 0.6 | 0.1 | 0.1 | 0.0 | ||
| NDJ 00 | -0.5 | -0.4 | -0.2 | 0.2 | 0.2 | 0.5 | 0.4 | |||
| DJF 00 | -0.6 | -0.3 | -0.3 | 0.2 | 0.5 | 0.5 | 0.4 | |||
| JFM 01 | -0.6 | -0.1 | 0.4 | 0.5 | 0.5 | -0.2 | 0.1 | |||
| FMA 01 | -0.2 | 0.2 | -0.1 | 0.1 | 0.4 | 0.4 | ||||
| MAM 01 | 0.1 | 0.0 | 0.1 | -0.1 | 0.1 | 0.1 | ||||
| AMJ 01 | -0.4 | -0.2 | 0.0 | 0.2 | 0.1 | 0.1 | ||||
| MJJ 01 | 0.0 | 0.1 | 0.4 | 0.1 | 0.1 | |||||
| JJA 01 | -0.1 | 0.5 | 0.4 | 0.4 | 0.1 | |||||
| JAS 01 | 0.3 | 0.3 | 0.2 | 0.0 | 0.0 | |||||
| ASO 01 | 0.2 | 0.7 | 0.7 | 0.0 | ||||||
| SON 01 | 0.0 | 0.5 | 0.5 | 0.4 | ||||||
| OND 01 | 0.4 | 0.3 | 0.5 | 0.0 | ||||||
| NDJ 01 | -0.2 | 0.8 | 0.9 | |||||||
| DJF 01 | 0.6 | 0.4 | 0.6 | |||||||
| JFM 02 | 0.3 | 0.1 | 0.4 | |||||||
| FMA 02 | 0.5 | 0.4 | ||||||||
| MAM 02 | 0.1 | 0.1 | ||||||||
| AMJ 02 | 0.1 | 0.1 | ||||||||
| MJJ 02 | 0.1 | |||||||||
| JJA 02 | 0.1 | |||||||||
| JAS 02 | 0.0 |