| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.64 | -0.02 |
| Feb | 1.55 | 1.64 | -0.09 |
| Mar | 1.99 | 2.04 | -0.05 |
| Apr | 3.58 | 3.68 | -0.10 |
| May | 4.11 | 4.20 | -0.09 |
| Jun | 4.94 | 4.98 | -0.04 |
| Jul | 3.85 | 3.88 | -0.03 |
| Aug | 3.88 | 3.99 | -0.11 |
| Sep | 3.46 | 3.36 | 0.10 |
| Oct | 2.84 | 2.93 | -0.09 |
| Nov | 2.20 | 2.23 | -0.03 |
| Dec | 1.83 | 1.94 | -0.11 |
35.85 | 36.51 | -0.66 |