| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.77 | 4.74 | 0.03 |
| Feb | 4.72 | 4.78 | -0.06 |
| Mar | 4.84 | 4.94 | -0.10 |
| Apr | 3.99 | 4.17 | -0.18 |
| May | 3.69 | 3.65 | 0.04 |
| Jun | 4.43 | 4.35 | 0.08 |
| Jul | 4.92 | 4.86 | 0.06 |
| Aug | 4.28 | 4.30 | -0.02 |
| Sep | 3.75 | 3.94 | -0.19 |
| Oct | 3.43 | 3.46 | -0.03 |
| Nov | 4.06 | 4.16 | -0.10 |
| Dec | 4.66 | 4.72 | -0.06 |
51.54 | 52.07 | -0.53 |