| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.83 | -0.02 |
| Feb | 0.87 | 0.84 | 0.03 |
| Mar | 1.68 | 1.64 | 0.04 |
| Apr | 3.00 | 2.91 | 0.09 |
| May | 4.33 | 4.30 | 0.03 |
| Jun | 4.89 | 4.82 | 0.07 |
| Jul | 4.25 | 4.00 | 0.25 |
| Aug | 4.39 | 4.51 | -0.12 |
| Sep | 3.25 | 3.24 | 0.01 |
| Oct | 2.53 | 2.58 | -0.05 |
| Nov | 1.58 | 1.58 | 0.00 |
| Dec | 1.15 | 1.18 | -0.03 |
32.73 | 32.43 | 0.30 |