| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.45 | -0.02 |
| Feb | 2.72 | 2.77 | -0.05 |
| Mar | 3.99 | 3.97 | 0.02 |
| Apr | 3.46 | 3.53 | -0.07 |
| May | 4.17 | 4.04 | 0.13 |
| Jun | 4.41 | 4.31 | 0.10 |
| Jul | 4.73 | 4.70 | 0.03 |
| Aug | 4.65 | 4.69 | -0.04 |
| Sep | 4.68 | 4.74 | -0.06 |
| Oct | 3.55 | 3.71 | -0.16 |
| Nov | 3.18 | 3.23 | -0.05 |
| Dec | 3.67 | 3.65 | 0.02 |
46.64 | 46.79 | -0.15 |