| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.69 | -0.05 |
| Feb | 0.79 | 0.78 | 0.01 |
| Mar | 1.62 | 1.69 | -0.07 |
| Apr | 2.12 | 2.26 | -0.14 |
| May | 3.61 | 3.92 | -0.31 |
| Jun | 3.60 | 3.65 | -0.05 |
| Jul | 3.55 | 3.54 | 0.01 |
| Aug | 3.31 | 3.46 | -0.15 |
| Sep | 1.87 | 1.90 | -0.03 |
| Oct | 2.06 | 2.10 | -0.04 |
| Nov | 0.91 | 0.92 | -0.01 |
| Dec | 0.93 | 0.94 | -0.01 |
25.01 | 25.85 | -0.84 |