| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.35 | -0.08 |
| Feb | 1.96 | 2.08 | -0.12 |
| Mar | 2.28 | 2.27 | 0.01 |
| Apr | 3.48 | 3.58 | -0.10 |
| May | 4.27 | 4.20 | 0.07 |
| Jun | 4.19 | 4.32 | -0.13 |
| Jul | 3.82 | 4.02 | -0.20 |
| Aug | 3.98 | 3.99 | -0.01 |
| Sep | 3.41 | 3.58 | -0.17 |
| Oct | 3.52 | 3.79 | -0.27 |
| Nov | 2.64 | 2.74 | -0.10 |
| Dec | 2.20 | 2.26 | -0.06 |
38.02 | 39.18 | -1.16 |