| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.33 | 1.35 | -0.02 |
| Feb | 1.09 | 1.12 | -0.03 |
| Mar | 1.86 | 1.85 | 0.01 |
| Apr | 3.09 | 3.18 | -0.09 |
| May | 3.75 | 3.65 | 0.10 |
| Jun | 4.56 | 4.57 | -0.01 |
| Jul | 3.82 | 3.74 | 0.08 |
| Aug | 3.46 | 3.56 | -0.10 |
| Sep | 3.27 | 3.19 | 0.08 |
| Oct | 2.87 | 2.79 | 0.08 |
| Nov | 2.00 | 1.97 | 0.03 |
| Dec | 1.58 | 1.70 | -0.12 |
32.68 | 32.67 | 0.01 |