| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.46 | -0.07 |
| Feb | 2.66 | 2.76 | -0.10 |
| Mar | 3.71 | 3.83 | -0.12 |
| Apr | 3.84 | 3.85 | -0.01 |
| May | 3.88 | 4.02 | -0.14 |
| Jun | 4.62 | 4.68 | -0.06 |
| Jul | 4.64 | 4.58 | 0.06 |
| Aug | 4.51 | 4.71 | -0.20 |
| Sep | 4.51 | 4.57 | -0.06 |
| Oct | 4.39 | 4.71 | -0.32 |
| Nov | 3.31 | 3.19 | 0.12 |
| Dec | 3.98 | 4.22 | -0.24 |
47.44 | 48.58 | -1.14 |