| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.49 | 0.02 |
| Feb | 0.74 | 0.72 | 0.02 |
| Mar | 1.26 | 1.28 | -0.02 |
| Apr | 1.98 | 2.05 | -0.07 |
| May | 3.58 | 3.48 | 0.10 |
| Jun | 3.20 | 3.20 | 0.00 |
| Jul | 3.69 | 3.51 | 0.18 |
| Aug | 3.04 | 3.02 | 0.02 |
| Sep | 1.79 | 1.78 | 0.01 |
| Oct | 1.63 | 1.66 | -0.03 |
| Nov | 0.83 | 0.83 | 0.00 |
| Dec | 0.78 | 0.83 | -0.05 |
23.03 | 22.85 | 0.18 |