| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.94 | 5.11 | -0.17 |
| Feb | 5.06 | 4.98 | 0.08 |
| Mar | 5.22 | 5.12 | 0.10 |
| Apr | 4.76 | 4.88 | -0.12 |
| May | 3.47 | 3.49 | -0.02 |
| Jun | 5.33 | 5.28 | 0.05 |
| Jul | 6.17 | 6.21 | -0.04 |
| Aug | 5.16 | 5.16 | 0.00 |
| Sep | 4.53 | 4.58 | -0.05 |
| Oct | 3.41 | 3.25 | 0.16 |
| Nov | 3.99 | 4.09 | -0.10 |
| Dec | 5.39 | 5.20 | 0.19 |
57.43 | 57.35 | 0.08 |