Cyfernod tymheredd ymwrthedd dargludydd
(tymheredd safonol 20 ℃)
| Tymheredd (T ℃) | Cyfernod Tymheredd (yn) | Tymheredd (T ℃) | Cyfernod Tymheredd (yn) |
| 10 | 1.041 | 24 | 0. 985 |
| 11 | 1.037 | 25 | 0. 981 |
| 12 | 1.033 | 26 | 0. 977 |
| 13 | 1.028 | 27 | 0. 973 |
| 14 | 1.024 | 28 | 0. 970 |
| 15 | 1.020 | 29 | 0. 966 |
| 16 | 1.016 | 30 | 0. 962 |
| 17 | 1.012 | 31 | 0. 959 |
| 18 | 1.008 | 32 | 0.955 |
| 19 | 1.004 | 33 | 0.951 |
| 20 | 1.000 | 34 | 0. 948 |
| 21 | 0. 996 | 35 | 0. 944 |
| 22 | 0. 992 | ||
| 23 | 0. 989 |