| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.55 | -0.04 |
| Feb | 2.83 | 2.87 | -0.04 |
| Mar | 3.83 | 3.84 | -0.01 |
| Apr | 3.73 | 3.74 | -0.01 |
| May | 4.41 | 4.24 | 0.17 |
| Jun | 4.41 | 4.27 | 0.14 |
| Jul | 3.83 | 3.91 | -0.08 |
| Aug | 3.56 | 3.43 | 0.13 |
| Sep | 4.52 | 4.44 | 0.08 |
| Oct | 3.45 | 3.42 | 0.03 |
| Nov | 3.33 | 3.32 | 0.01 |
| Dec | 3.64 | 3.66 | -0.02 |
45.05 | 44.69 | 0.36 |