| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.36 | -0.16 |
| Feb | 1.25 | 1.33 | -0.08 |
| Mar | 2.07 | 2.11 | -0.04 |
| Apr | 3.89 | 4.03 | -0.14 |
| May | 4.42 | 4.40 | 0.02 |
| Jun | 5.45 | 5.43 | 0.02 |
| Jul | 4.53 | 4.55 | -0.02 |
| Aug | 4.33 | 4.35 | -0.02 |
| Sep | 3.64 | 3.63 | 0.01 |
| Oct | 2.89 | 2.79 | 0.10 |
| Nov | 2.11 | 2.08 | 0.03 |
| Dec | 1.54 | 1.65 | -0.11 |
37.32 | 37.71 | -0.39 |