| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.41 | -0.03 |
| Feb | 0.55 | 0.65 | -0.10 |
| Mar | 0.87 | 1.06 | -0.19 |
| Apr | 1.93 | 2.12 | -0.19 |
| May | 2.94 | 3.34 | -0.40 |
| Jun | 2.93 | 3.08 | -0.15 |
| Jul | 2.71 | 2.85 | -0.14 |
| Aug | 1.89 | 2.05 | -0.16 |
| Sep | 1.32 | 1.41 | -0.09 |
| Oct | 1.31 | 1.42 | -0.11 |
| Nov | 0.47 | 0.53 | -0.06 |
| Dec | 0.42 | 0.47 | -0.05 |
17.72 | 19.39 | -1.67 |