| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.43 | -0.07 |
| Feb | 2.78 | 2.83 | -0.05 |
| Mar | 4.33 | 4.38 | -0.05 |
| Apr | 3.79 | 3.63 | 0.16 |
| May | 3.69 | 3.79 | -0.10 |
| Jun | 4.65 | 4.53 | 0.12 |
| Jul | 4.78 | 4.60 | 0.18 |
| Aug | 4.33 | 4.46 | -0.13 |
| Sep | 4.60 | 4.69 | -0.09 |
| Oct | 4.00 | 4.18 | -0.18 |
| Nov | 3.32 | 3.24 | 0.08 |
| Dec | 4.05 | 4.24 | -0.19 |
47.68 | 48.00 | -0.32 |