| San Jose Weather Station* | |||||||
| Substation of the National Weather Service | |||||||
| Office of Emergency Services | |||||||
| Jan-00 | |||||||
| Date | Maximum Temperature | Minimum Temperature | Mean Temperature | Heating Degree Days (Base 65°) | Cooling Degree Days (Base 65°) | Precipitation | |
| (4 p.m. - 4 p.m.) | |||||||
| 1 | 56 | 49 | 52.5 | 13 | 0 | 0 | |
| 2 | 55 | 35 | 45 | 20 | 0 | 0 | |
| 3 | 58 | 37 | 47.5 | 18 | 0 | 0 | |
| 4 | 58 | 38 | 48 | 17 | 0 | 0 | |
| 5 | 59 | 38 | 48.5 | 17 | 0 | 0 | |
| 6 | 58 | 38 | 48 | 17 | 0 | 0 | |
| 7 | 58 | 40 | 49 | 16 | 0 | 0 | |
| 8 | 56 | 46 | 51 | 14 | 0 | 0 | |
| 9 | 57 | 47 | 52 | 13 | 0 | 0 | |
| 10 | 60 | 45 | 52.5 | 13 | 0 | 0 | |
| 11 | 63 | 49 | 56 | 9 | 0 | 0.05 | |
| 12 | 57 | 46 | 51.5 | 14 | 0 | 0.09 | |
| 13 | 64 | 46 | 55 | 10 | 0 | T | |
| 14 | 62 | 46 | 54 | 11 | 0 | 0 | |
| 15 | 70 | 51 | 60.5 | 5 | 0 | 0.03 | |
| 16 | 60 | 49 | 54.5 | 11 | 0 | 0.25 | |
| 17 | 53 | 46 | 49.5 | 16 | 0 | T | |
| 18 | 64 | 51 | 57.5 | 8 | 0 | 0.33 | |
| 19 | 64 | 51 | 57.5 | 8 | 0 | 0.3 | |
| 20 | 60 | 54 | 57 | 8 | 0 | T | |
| 21 | 63 | 44 | 53.5 | 12 | 0 | 0 | |
| 22 | 63 | 47 | 55 | 10 | 0 | 0 | |
| 23 | 58 | 53 | 55.5 | 10 | 0 | M | |
| 24 | 63 | 47 | 55 | 10 | 0 | 1.66 | |
| 25 | 60 | 53 | 56.5 | 9 | 0 | 0.9 | |
| 26 | 57 | 48 | 52.5 | 13 | 0 | 0 | |
| 27 | 61 | 46 | 53.5 | 12 | 0 | 0 | |
| 28 | 61 | 39 | 50 | 15 | 0 | 0 | |
| 29 | 65 | 40 | 52.5 | 13 | 0 | 0 | |
| 30 | 58 | 52 | 55 | 10 | 0 | 0.08 | |
| 31 | 63 | 41 | 52 | 13 | 0 | 0.13 | |
| Avg | 60.1 | 45.5 | 52.8 | 377 | 0 | 3.82 | |
| Normal | 58.2 | 40.6 | 49.4 | 484 | 0 | 2.78 | |
| Dep. Fm Normal | 1.9 | 4.9 | 3.4 | -107 | 0 | 1.04 | |
| T indicates Trace | |||||||
| * Based on Preliminary Data | |||||||