| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.71 | -0.02 |
| Feb | 2.84 | 2.91 | -0.07 |
| Mar | 3.96 | 4.07 | -0.11 |
| Apr | 3.65 | 3.57 | 0.08 |
| May | 4.30 | 4.48 | -0.18 |
| Jun | 4.46 | 4.54 | -0.08 |
| Jul | 4.09 | 4.01 | 0.08 |
| Aug | 4.10 | 4.14 | -0.04 |
| Sep | 4.65 | 5.25 | -0.60 |
| Oct | 3.51 | 3.49 | 0.02 |
| Nov | 3.24 | 3.07 | 0.17 |
| Dec | 3.62 | 3.53 | 0.09 |
46.11 | 46.77 | -0.66 |