| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.57 | -0.04 |
| Feb | 1.91 | 1.92 | -0.01 |
| Mar | 2.79 | 2.78 | 0.01 |
| Apr | 4.53 | 4.52 | 0.01 |
| May | 5.90 | 6.04 | -0.14 |
| Jun | 5.27 | 5.33 | -0.06 |
| Jul | 4.47 | 4.41 | 0.06 |
| Aug | 3.81 | 3.77 | 0.04 |
| Sep | 4.32 | 4.24 | 0.08 |
| Oct | 3.43 | 3.42 | 0.01 |
| Nov | 2.81 | 2.82 | -0.01 |
| Dec | 2.05 | 2.10 | -0.05 |
42.82 | 42.92 | -0.10 |