| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.39 | -0.10 |
| Feb | 2.75 | 2.76 | -0.01 |
| Mar | 3.98 | 3.90 | 0.08 |
| Apr | 3.78 | 3.72 | 0.06 |
| May | 3.96 | 3.91 | 0.05 |
| Jun | 4.33 | 4.10 | 0.23 |
| Jul | 4.85 | 4.72 | 0.13 |
| Aug | 4.40 | 4.53 | -0.13 |
| Sep | 4.68 | 4.64 | 0.04 |
| Oct | 4.16 | 4.23 | -0.07 |
| Nov | 3.24 | 3.23 | 0.01 |
| Dec | 4.19 | 4.21 | -0.02 |
47.61 | 47.34 | 0.27 |