| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.08 | 0.01 |
| Feb | 1.13 | 1.04 | 0.09 |
| Mar | 1.69 | 1.65 | 0.04 |
| Apr | 2.88 | 2.94 | -0.06 |
| May | 3.76 | 3.66 | 0.10 |
| Jun | 4.70 | 4.74 | -0.04 |
| Jul | 3.87 | 3.79 | 0.08 |
| Aug | 3.86 | 4.10 | -0.24 |
| Sep | 3.73 | 3.94 | -0.21 |
| Oct | 3.06 | 3.10 | -0.04 |
| Nov | 1.84 | 1.85 | -0.01 |
| Dec | 1.40 | 1.44 | -0.04 |
33.01 | 33.33 | -0.32 |