| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.40 | -0.06 |
| Feb | 3.15 | 3.14 | 0.01 |
| Mar | 4.08 | 4.19 | -0.11 |
| Apr | 4.02 | 4.04 | -0.02 |
| May | 4.86 | 4.97 | -0.11 |
| Jun | 4.71 | 4.87 | -0.16 |
| Jul | 5.14 | 5.34 | -0.20 |
| Aug | 3.99 | 3.89 | 0.10 |
| Sep | 3.52 | 3.67 | -0.15 |
| Oct | 2.86 | 2.84 | 0.02 |
| Nov | 2.92 | 2.94 | -0.02 |
| Dec | 3.61 | 3.68 | -0.07 |
46.20 | 46.97 | -0.77 |