| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.52 | 0.19 |
| Feb | 3.31 | 3.27 | 0.04 |
| Mar | 4.30 | 4.21 | 0.09 |
| Apr | 4.28 | 4.15 | 0.13 |
| May | 3.62 | 3.59 | 0.03 |
| Jun | 4.25 | 4.12 | 0.13 |
| Jul | 3.74 | 3.69 | 0.05 |
| Aug | 4.11 | 4.03 | 0.08 |
| Sep | 4.14 | 3.86 | 0.28 |
| Oct | 4.94 | 4.89 | 0.05 |
| Nov | 3.98 | 3.68 | 0.30 |
| Dec | 4.46 | 4.48 | -0.02 |
48.84 | 47.49 | 1.35 |