| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.05 | -0.04 |
| Feb | 2.68 | 2.82 | -0.14 |
| Mar | 3.83 | 3.86 | -0.03 |
| Apr | 3.24 | 3.35 | -0.11 |
| May | 3.99 | 4.10 | -0.11 |
| Jun | 4.12 | 4.25 | -0.13 |
| Jul | 4.31 | 4.35 | -0.04 |
| Aug | 4.22 | 4.40 | -0.18 |
| Sep | 4.58 | 4.43 | 0.15 |
| Oct | 3.71 | 3.94 | -0.23 |
| Nov | 3.09 | 3.24 | -0.15 |
| Dec | 3.59 | 3.72 | -0.13 |
44.37 | 45.51 | -1.14 |