| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.16 | -0.02 |
| Feb | 3.12 | 3.18 | -0.06 |
| Mar | 4.10 | 4.15 | -0.05 |
| Apr | 4.01 | 4.04 | -0.03 |
| May | 3.60 | 3.72 | -0.12 |
| Jun | 4.10 | 4.08 | 0.02 |
| Jul | 3.65 | 3.49 | 0.16 |
| Aug | 3.49 | 3.55 | -0.06 |
| Sep | 3.93 | 3.78 | 0.15 |
| Oct | 4.60 | 4.72 | -0.12 |
| Nov | 3.82 | 3.74 | 0.08 |
| Dec | 4.19 | 4.28 | -0.09 |
45.75 | 45.89 | -0.14 |