| Day 1 | Time hours | 0 | 12 | 24 |
| Energy balance | 0 | A + a − B − b = B + b | A + 2a − 2B − 3b = b | |
| Temperature | T0 | T1 + Δt | T0 + Δt | |
| Day 2 | Time hours | 0 | 12 | 24 |
| Energy balance | b | b + A + a − B − b = B + 2b | b + A + 2a − 2B − 3b = 2b | |
| Temperature | T0+Δt | T1 + 2Δt | T0 + 2Δt |