| San
Jose Weather Station Substation of the National Weather Service Office of Emergency Services |
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| APRIL 2001 | ||||||
| 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 | 68 | 49 | 58.5 | 6 | 0 | |
| 2 | 60 | 47 | 53.5 | 11 | 0 | |
| 3 | 60 | 44 | 52.0 | 13 | 0 | |
| 4 | 65 | 40 | 52.5 | 12 | 0 | |
| 5 | 68 | 43 | 55.5 | 9 | 0 | |
| 6 | 55 | 47 | 51.0 | 14 | 0 | 0.16 |
| 7 | 57 | 44 | 50.5 | 14 | 0 | 0.24 |
| 8 | 53 | 38 | 45.5 | 19 | 0 | 0.07 |
| 9 | 61 | 39 | 50.0 | 15 | 0 | 0.29 |
| 10 | 67 | 42 | 54.5 | 10 | 0 | |
| 11 | 63 | 51 | 57.0 | 8 | 0 | 0.08 |
| 12 | 69 | 41 | 55.0 | 10 | 0 | |
| 13 | 60 | 41 | 50.5 | 14 | 0 | |
| 14 | 64 | 40 | 52.0 | 13 | 0 | |
| 15 | 64 | 42 | 53.0 | 12 | 0 | |
| 16 | 71 | 45 | 58.0 | 7 | 0 | |
| 17 | 76 | 50 | 63.0 | 2 | 0 | |
| 18 | 72 | 51 | 61.5 | 3 | 0 | |
| 19 | 61 | 49 | 55.0 | 10 | 0 | 0.03 |
| 20 | 58 | 48 | 53.0 | 12 | 0 | 0.51 |
| 21 | 64 | 41 | 52.5 | 12 | 0 | 0.04 |
| 22 | 67 | 42 | 54.5 | 10 | 0 | |
| 23 | 73 | 45 | 59.0 | 6 | 0 | 0.10 |
| 24 | 84 | 52 | 68.0 | 0 | 3 | |
| 25 | 84 | 56 | 70.0 | 0 | 5 | |
| 26 | 72 | 54 | 63.0 | 2 | 0 | |
| 27 | 69 | 51 | 60.0 | 5 | 0 | |
| 28 | 66 | 51 | 58.5 | 6 | 0 | |
| 29 | 73 | 45 | 59.0 | 6 | 0 | |
| 30 | 76 | 50 | 63.0 | 2 | 0 | |
| Avg | 66.7 | 45.9 | 263 | 8 | 1.52 | |
| Normal | 70.0 | 47.1 | 58.6 | 215 | 23 | 1.17 |
| Dep. Fm Normal | -3.3 | -1.2 | -58.6 | 48 | -15 | 0.35 |
| T indicates Trace | ||||||