| Signal | Phase | Approx. day of maximum |
| Sun distance | 1.55 | 3 (3 January) |
| [CO2] | −0.37* | 113 (23 April) |
| N.H. light intensity | −1.40 | 172 (22 June) |
| Global T | −1.90 | 201 (21 July) |