| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.40 | -0.14 |
| Feb | 2.72 | 2.81 | -0.09 |
| Mar | 4.10 | 4.08 | 0.02 |
| Apr | 3.65 | 3.74 | -0.09 |
| May | 3.86 | 3.99 | -0.13 |
| Jun | 4.24 | 4.09 | 0.15 |
| Jul | 4.61 | 4.53 | 0.08 |
| Aug | 3.98 | 4.12 | -0.14 |
| Sep | 4.87 | 5.02 | -0.15 |
| Oct | 4.12 | 4.30 | -0.18 |
| Nov | 3.33 | 3.40 | -0.07 |
| Dec | 3.68 | 3.84 | -0.16 |
46.42 | 47.32 | -0.90 |