| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.72 | 0.05 |
| Feb | 0.81 | 0.85 | -0.04 |
| Mar | 1.42 | 1.48 | -0.06 |
| Apr | 2.66 | 2.69 | -0.03 |
| May | 3.87 | 3.71 | 0.16 |
| Jun | 4.46 | 4.38 | 0.08 |
| Jul | 4.37 | 4.52 | -0.15 |
| Aug | 4.03 | 4.07 | -0.04 |
| Sep | 3.28 | 3.28 | 0.00 |
| Oct | 2.94 | 2.99 | -0.05 |
| Nov | 1.61 | 1.55 | 0.06 |
| Dec | 1.09 | 1.15 | -0.06 |
31.31 | 31.39 | -0.08 |