| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.04 | -0.01 |
| Feb | 2.57 | 2.64 | -0.07 |
| Mar | 2.96 | 3.04 | -0.08 |
| Apr | 3.50 | 3.65 | -0.15 |
| May | 3.84 | 3.96 | -0.12 |
| Jun | 4.83 | 4.68 | 0.15 |
| Jul | 4.74 | 4.87 | -0.13 |
| Aug | 4.49 | 4.23 | 0.26 |
| Sep | 3.66 | 3.70 | -0.04 |
| Oct | 4.55 | 4.52 | 0.03 |
| Nov | 3.33 | 3.58 | -0.25 |
| Dec | 3.64 | 3.68 | -0.04 |
45.14 | 45.59 | -0.45 |