| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.89 | -0.11 |
| Feb | 0.83 | 0.89 | -0.06 |
| Mar | 1.61 | 1.59 | 0.02 |
| Apr | 2.85 | 3.01 | -0.16 |
| May | 4.14 | 4.21 | -0.07 |
| Jun | 4.64 | 4.84 | -0.20 |
| Jul | 4.17 | 4.25 | -0.08 |
| Aug | 4.43 | 4.33 | 0.10 |
| Sep | 3.34 | 3.32 | 0.02 |
| Oct | 2.84 | 2.91 | -0.07 |
| Nov | 1.70 | 1.68 | 0.02 |
| Dec | 1.12 | 1.26 | -0.14 |
32.45 | 33.18 | -0.73 |