| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.44 | 0.15 |
| Feb | 3.88 | 3.86 | 0.02 |
| Mar | 5.07 | 5.03 | 0.04 |
| Apr | 5.34 | 5.35 | -0.01 |
| May | 5.49 | 5.44 | 0.05 |
| Jun | 3.69 | 3.68 | 0.01 |
| Jul | 3.94 | 3.70 | 0.24 |
| Aug | 3.67 | 3.60 | 0.07 |
| Sep | 3.65 | 3.63 | 0.02 |
| Oct | 4.14 | 4.02 | 0.12 |
| Nov | 4.84 | 4.79 | 0.05 |
| Dec | 4.72 | 4.77 | -0.05 |
52.02 | 51.31 | 0.71 |