| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.90 | -0.32 |
| Feb | 4.21 | 4.43 | -0.22 |
| Mar | 4.63 | 4.82 | -0.19 |
| Apr | 4.12 | 4.21 | -0.09 |
| May | 3.81 | 3.85 | -0.04 |
| Jun | 4.45 | 4.34 | 0.11 |
| Jul | 4.35 | 4.35 | 0.00 |
| Aug | 4.82 | 5.22 | -0.40 |
| Sep | 4.02 | 4.13 | -0.11 |
| Oct | 3.61 | 3.79 | -0.18 |
| Nov | 3.84 | 4.04 | -0.20 |
| Dec | 4.89 | 5.20 | -0.31 |
51.33 | 53.28 | -1.95 |