| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 2.99 | 0.35 |
| Feb | 3.21 | 2.88 | 0.33 |
| Mar | 4.12 | 3.83 | 0.29 |
| Apr | 3.89 | 3.83 | 0.06 |
| May | 4.68 | 4.55 | 0.13 |
| Jun | 4.38 | 4.16 | 0.22 |
| Jul | 4.83 | 5.21 | -0.38 |
| Aug | 3.77 | 3.68 | 0.09 |
| Sep | 3.40 | 3.29 | 0.11 |
| Oct | 2.74 | 2.57 | 0.17 |
| Nov | 2.78 | 2.68 | 0.10 |
| Dec | 3.55 | 3.55 | 0.00 |
44.69 | 43.22 | 1.47 |