| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 2.62 | 0.32 |
| Feb | 2.39 | 2.20 | 0.19 |
| Mar | 3.51 | 2.98 | 0.53 |
| Apr | 3.55 | 3.18 | 0.37 |
| May | 4.49 | 3.83 | 0.66 |
| Jun | 4.69 | 4.26 | 0.43 |
| Jul | 4.48 | 3.94 | 0.54 |
| Aug | 3.87 | 3.81 | 0.06 |
| Sep | 3.99 | 4.08 | -0.09 |
| Oct | 2.94 | 2.70 | 0.24 |
| Nov | 2.81 | 2.68 | 0.13 |
| Dec | 3.10 | 2.82 | 0.28 |
42.76 | 39.10 | 3.66 |