| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.13 | 1.16 | -0.03 |
| Feb | 1.02 | 1.06 | -0.04 |
| Mar | 1.68 | 1.65 | 0.03 |
| Apr | 2.81 | 2.82 | -0.01 |
| May | 3.59 | 3.58 | 0.01 |
| Jun | 4.40 | 4.30 | 0.10 |
| Jul | 3.69 | 3.74 | -0.05 |
| Aug | 3.65 | 3.59 | 0.06 |
| Sep | 3.66 | 3.63 | 0.03 |
| Oct | 3.16 | 3.11 | 0.05 |
| Nov | 1.85 | 1.82 | 0.03 |
| Dec | 1.46 | 1.45 | 0.01 |
32.10 | 31.91 | 0.19 |