| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.78 | -0.05 |
| Feb | 3.02 | 3.07 | -0.05 |
| Mar | 4.13 | 4.10 | 0.03 |
| Apr | 3.79 | 3.75 | 0.04 |
| May | 3.69 | 3.52 | 0.17 |
| Jun | 4.10 | 4.15 | -0.05 |
| Jul | 4.53 | 4.23 | 0.30 |
| Aug | 4.14 | 4.03 | 0.11 |
| Sep | 4.75 | 4.68 | 0.07 |
| Oct | 3.31 | 3.45 | -0.14 |
| Nov | 3.46 | 3.52 | -0.06 |
| Dec | 3.55 | 3.57 | -0.02 |
46.20 | 45.85 | 0.35 |