| San Jose Weather Station | ||||||
| Substation of the National Weather Service | ||||||
| January 2001 | ||||||
| Office of Emergency Services | ||||||
| Date | Maximum Temperatrure | Minimum Temperature | Mean Temperature | Heating Degree Days (Base 65°) | Cooling Degree Days (Base 65°) | Precipitation (4 p.m. - 4 p.m.) |
| 1 | 62 | 38 | 50.0 | 15 | 0 | 0 |
| 2 | 67 | 36 | 51.5 | 14 | 0 | 0 |
| 3 | 65 | 37 | 51.0 | 14 | 0 | 0 |
| 4 | 65 | 37 | 51.0 | 14 | 0 | 0 |
| 5 | 65 | 38 | 51.5 | 14 | 0 | 0 |
| 6 | 63 | 37 | 50.0 | 15 | 0 | 0 |
| 7 | 61 | 41 | 51.0 | 14 | 0 | 0 |
| 8 | 60 | 48 | 54.0 | 11 | 0 | 0.38 |
| 9 | 55 | 41 | 48.0 | 17 | 0 | 0.03 |
| 10 | 53 | 47 | 50.0 | 15 | 0 | 0.60 |
| 11 | 53 | 46 | 49.5 | 16 | 0 | 0.70 |
| 12 | 55 | 44 | 49.5 | 16 | 0 | 0.10 |
| 13 | 58 | 44 | 51.0 | 14 | 0 | 0 |
| 14 | 58 | 47 | 52.5 | 13 | 0 | 0.01 |
| 15 | 57 | 33 | 45.0 | 20 | 0 | 0 |
| 16 | 55 | 34 | 44.5 | 21 | 0 | 0 |
| 17 | 55 | 33 | 44.0 | 21 | 0 | 0 |
| 18 | 56 | 35 | 45.5 | 20 | 0 | 0 |
| 19 | 58 | 44 | 51.0 | 14 | 0 | 0 |
| 20 | 58 | 41 | 49.5 | 16 | 0 | 0 |
| 21 | 56 | 37 | 46.5 | 19 | 0 | 0 |
| 22 | 61 | 38 | 49.5 | 16 | 0 | 0 |
| 23 | 58 | 46 | 52.0 | 13 | 0 | 0.09 |
| 24 | 55 | 45 | 50.0 | 15 | 0 | 0.38 |
| 25 | 56 | 41 | 48.5 | 17 | 0 | 0.10 |
| 26 | 56 | 40 | 48.0 | 17 | 0 | 0.43 |
| 27 | 56 | 36 | 46.0 | 19 | 0 | 0 |
| 28 | 57 | 36 | 46.5 | 19 | 0 | 0 |
| 29 | 56 | 43 | 49.5 | 16 | 0 | 0.05 |
| 30 | 57 | 41 | 49.0 | 16 | 0 | 0 |
| 31 | 60 | 34 | 47.0 | 18 | 0 | 0 |
| Avg | 58.3 | 39.9 | 49.1 | 493 | 0 | 2.87 |
| Normal | 58.2 | 40.6 | 49.4 | 484 | 0 | 2.78 |
| Dep. Fm Normal | 0.1 | -0.7 | -0.3 | 9 | 0 | 0.09 |
| T indicates Trace | ||||||