| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.25 | -0.12 |
| Feb | 2.81 | 2.70 | 0.11 |
| Mar | 3.18 | 3.07 | 0.11 |
| Apr | 3.67 | 3.73 | -0.06 |
| May | 4.18 | 4.16 | 0.02 |
| Jun | 4.74 | 4.68 | 0.06 |
| Jul | 5.13 | 5.10 | 0.03 |
| Aug | 4.46 | 4.91 | -0.45 |
| Sep | 3.87 | 3.91 | -0.04 |
| Oct | 4.81 | 4.86 | -0.05 |
| Nov | 3.62 | 3.72 | -0.10 |
| Dec | 3.81 | 4.14 | -0.33 |
47.41 | 48.23 | -0.82 |