| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.67 | -0.16 |
| Feb | 2.94 | 2.99 | -0.05 |
| Mar | 4.15 | 4.20 | -0.05 |
| Apr | 3.67 | 3.73 | -0.06 |
| May | 3.71 | 3.82 | -0.11 |
| Jun | 4.33 | 4.28 | 0.05 |
| Jul | 4.68 | 4.61 | 0.07 |
| Aug | 4.52 | 4.41 | 0.11 |
| Sep | 4.83 | 5.13 | -0.30 |
| Oct | 3.50 | 3.48 | 0.02 |
| Nov | 3.30 | 3.35 | -0.05 |
| Dec | 3.53 | 3.57 | -0.04 |
46.67 | 47.24 | -0.57 |