| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.95 | -0.02 |
| Feb | 0.84 | 0.90 | -0.06 |
| Mar | 1.34 | 1.42 | -0.08 |
| Apr | 2.38 | 2.53 | -0.15 |
| May | 3.08 | 3.05 | 0.03 |
| Jun | 4.16 | 4.06 | 0.10 |
| Jul | 3.82 | 3.69 | 0.13 |
| Aug | 3.46 | 3.61 | -0.15 |
| Sep | 3.16 | 3.32 | -0.16 |
| Oct | 2.82 | 2.89 | -0.07 |
| Nov | 1.71 | 1.82 | -0.11 |
| Dec | 1.27 | 1.31 | -0.04 |
28.97 | 29.55 | -0.58 |