| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.90 | -0.01 |
| Feb | 3.32 | 3.44 | -0.12 |
| Mar | 4.09 | 4.16 | -0.07 |
| Apr | 4.20 | 4.45 | -0.25 |
| May | 3.69 | 3.71 | -0.02 |
| Jun | 4.30 | 4.43 | -0.13 |
| Jul | 3.28 | 3.27 | 0.01 |
| Aug | 3.33 | 3.29 | 0.04 |
| Sep | 4.07 | 4.01 | 0.06 |
| Oct | 5.21 | 5.49 | -0.28 |
| Nov | 4.57 | 4.65 | -0.08 |
| Dec | 4.68 | 4.78 | -0.10 |
48.63 | 49.58 | -0.95 |