| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.27 | -0.11 |
| Feb | 2.53 | 2.58 | -0.05 |
| Mar | 3.44 | 3.51 | -0.07 |
| Apr | 4.72 | 4.97 | -0.25 |
| May | 4.81 | 4.89 | -0.08 |
| Jun | 5.33 | 5.45 | -0.12 |
| Jul | 4.57 | 4.62 | -0.05 |
| Aug | 3.18 | 3.09 | 0.09 |
| Sep | 3.40 | 3.53 | -0.13 |
| Oct | 3.60 | 3.55 | 0.05 |
| Nov | 3.62 | 3.73 | -0.11 |
| Dec | 3.07 | 3.09 | -0.02 |
45.43 | 46.28 | -0.85 |