| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.61 | 0.07 |
| Feb | 2.74 | 2.55 | 0.19 |
| Mar | 3.85 | 3.77 | 0.08 |
| Apr | 5.05 | 5.38 | -0.33 |
| May | 5.38 | 5.16 | 0.22 |
| Jun | 4.04 | 3.74 | 0.30 |
| Jul | 4.02 | 3.90 | 0.12 |
| Aug | 3.53 | 3.57 | -0.04 |
| Sep | 3.31 | 3.14 | 0.17 |
| Oct | 3.33 | 3.25 | 0.08 |
| Nov | 3.83 | 3.84 | -0.01 |
| Dec | 2.92 | 3.11 | -0.19 |
44.68 | 44.02 | 0.66 |