| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.65 | -0.06 |
| Feb | 3.98 | 4.03 | -0.05 |
| Mar | 4.47 | 4.58 | -0.11 |
| Apr | 4.43 | 4.41 | 0.02 |
| May | 4.75 | 5.00 | -0.25 |
| Jun | 3.93 | 4.12 | -0.19 |
| Jul | 2.91 | 3.09 | -0.18 |
| Aug | 2.83 | 2.79 | 0.04 |
| Sep | 3.82 | 3.51 | 0.31 |
| Oct | 4.44 | 4.61 | -0.17 |
| Nov | 3.85 | 3.81 | 0.04 |
| Dec | 4.68 | 4.70 | -0.02 |
47.68 | 48.30 | -0.62 |