| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 4.05 | -0.16 |
| Feb | 3.38 | 3.69 | -0.31 |
| Mar | 4.63 | 4.58 | 0.05 |
| Apr | 4.13 | 4.12 | 0.01 |
| May | 3.31 | 3.31 | 0.00 |
| Jun | 3.43 | 3.40 | 0.03 |
| Jul | 2.71 | 2.76 | -0.05 |
| Aug | 3.48 | 3.31 | 0.17 |
| Sep | 3.94 | 3.84 | 0.10 |
| Oct | 4.61 | 4.48 | 0.13 |
| Nov | 4.17 | 3.96 | 0.21 |
| Dec | 4.72 | 4.96 | -0.24 |
46.40 | 46.46 | -0.06 |