| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.56 | -0.23 |
| Feb | 2.82 | 2.95 | -0.13 |
| Mar | 3.69 | 3.76 | -0.07 |
| Apr | 3.66 | 4.01 | -0.35 |
| May | 4.28 | 4.49 | -0.21 |
| Jun | 4.55 | 4.66 | -0.11 |
| Jul | 4.36 | 4.24 | 0.12 |
| Aug | 3.55 | 3.60 | -0.05 |
| Sep | 4.16 | 4.48 | -0.32 |
| Oct | 3.33 | 3.49 | -0.16 |
| Nov | 3.10 | 3.26 | -0.16 |
| Dec | 3.49 | 3.67 | -0.18 |
44.32 | 46.17 | -1.85 |