| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.27 | -0.12 |
| Feb | 1.03 | 1.14 | -0.11 |
| Mar | 1.89 | 1.90 | -0.01 |
| Apr | 3.32 | 3.39 | -0.07 |
| May | 3.88 | 3.99 | -0.11 |
| Jun | 4.43 | 4.75 | -0.32 |
| Jul | 3.58 | 3.85 | -0.27 |
| Aug | 3.80 | 3.75 | 0.05 |
| Sep | 3.40 | 3.39 | 0.01 |
| Oct | 2.66 | 2.70 | -0.04 |
| Nov | 1.92 | 1.94 | -0.02 |
| Dec | 1.58 | 1.59 | -0.01 |
32.64 | 33.66 | -1.02 |