| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.35 | 0.01 |
| Feb | 1.11 | 1.12 | -0.01 |
| Mar | 1.87 | 1.84 | 0.03 |
| Apr | 3.10 | 3.17 | -0.07 |
| May | 3.75 | 3.65 | 0.10 |
| Jun | 4.54 | 4.57 | -0.03 |
| Jul | 3.81 | 3.74 | 0.07 |
| Aug | 3.46 | 3.55 | -0.09 |
| Sep | 3.21 | 3.18 | 0.03 |
| Oct | 2.89 | 2.80 | 0.09 |
| Nov | 2.02 | 1.97 | 0.05 |
| Dec | 1.58 | 1.69 | -0.11 |
32.70 | 32.63 | 0.07 |