| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.08 | 0.10 |
| Feb | 1.02 | 1.01 | 0.01 |
| Mar | 1.65 | 1.59 | 0.06 |
| Apr | 2.85 | 2.79 | 0.06 |
| May | 3.68 | 3.66 | 0.02 |
| Jun | 4.46 | 4.51 | -0.05 |
| Jul | 3.99 | 3.96 | 0.03 |
| Aug | 3.57 | 3.79 | -0.22 |
| Sep | 3.66 | 3.65 | 0.01 |
| Oct | 3.32 | 3.23 | 0.09 |
| Nov | 1.91 | 1.85 | 0.06 |
| Dec | 1.42 | 1.40 | 0.02 |
32.71 | 32.52 | 0.19 |