| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.63 | -0.10 |
| Feb | 2.85 | 2.94 | -0.09 |
| Mar | 4.15 | 4.20 | -0.05 |
| Apr | 3.65 | 3.83 | -0.18 |
| May | 3.90 | 3.94 | -0.04 |
| Jun | 4.24 | 4.46 | -0.22 |
| Jul | 4.60 | 4.71 | -0.11 |
| Aug | 4.31 | 4.44 | -0.13 |
| Sep | 3.96 | 4.08 | -0.12 |
| Oct | 4.13 | 4.11 | 0.02 |
| Nov | 3.27 | 3.35 | -0.08 |
| Dec | 4.23 | 4.38 | -0.15 |
46.82 | 48.07 | -1.25 |