| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.38 | -0.18 |
| Feb | 2.86 | 2.99 | -0.13 |
| Mar | 3.64 | 3.83 | -0.19 |
| Apr | 3.85 | 4.02 | -0.17 |
| May | 3.61 | 3.67 | -0.06 |
| Jun | 4.33 | 4.51 | -0.18 |
| Jul | 4.06 | 4.10 | -0.04 |
| Aug | 4.02 | 4.16 | -0.14 |
| Sep | 4.39 | 4.49 | -0.10 |
| Oct | 4.66 | 4.82 | -0.16 |
| Nov | 3.59 | 3.64 | -0.05 |
| Dec | 4.02 | 4.33 | -0.31 |
46.23 | 47.94 | -1.71 |