| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.08 | 0.07 |
| Feb | 1.14 | 1.02 | 0.12 |
| Mar | 1.71 | 1.59 | 0.12 |
| Apr | 2.84 | 2.81 | 0.03 |
| May | 3.77 | 3.63 | 0.14 |
| Jun | 4.58 | 4.53 | 0.05 |
| Jul | 3.90 | 3.81 | 0.09 |
| Aug | 3.82 | 3.91 | -0.09 |
| Sep | 3.70 | 3.71 | -0.01 |
| Oct | 3.20 | 3.10 | 0.10 |
| Nov | 1.87 | 1.84 | 0.03 |
| Dec | 1.46 | 1.40 | 0.06 |
33.14 | 32.43 | 0.71 |