| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.01 | 0.04 |
| Feb | 0.99 | 0.93 | 0.06 |
| Mar | 1.66 | 1.57 | 0.09 |
| Apr | 2.86 | 2.88 | -0.02 |
| May | 3.74 | 3.72 | 0.02 |
| Jun | 4.53 | 4.78 | -0.25 |
| Jul | 3.65 | 3.59 | 0.06 |
| Aug | 3.77 | 3.89 | -0.12 |
| Sep | 3.81 | 3.83 | -0.02 |
| Oct | 2.88 | 2.85 | 0.03 |
| Nov | 1.74 | 1.77 | -0.03 |
| Dec | 1.34 | 1.31 | 0.03 |
32.02 | 32.13 | -0.11 |