| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.88 | -0.08 |
| Feb | 1.95 | 1.83 | 0.12 |
| Mar | 2.39 | 2.44 | -0.05 |
| Apr | 3.76 | 3.68 | 0.08 |
| May | 5.06 | 4.96 | 0.10 |
| Jun | 4.51 | 4.46 | 0.05 |
| Jul | 3.99 | 4.06 | -0.07 |
| Aug | 3.66 | 3.57 | 0.09 |
| Sep | 3.55 | 3.66 | -0.11 |
| Oct | 2.94 | 2.88 | 0.06 |
| Nov | 2.51 | 2.34 | 0.17 |
| Dec | 2.03 | 1.85 | 0.18 |
38.15 | 37.61 | 0.54 |