| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.07 | 0.05 |
| Feb | 0.99 | 1.01 | -0.02 |
| Mar | 1.64 | 1.62 | 0.02 |
| Apr | 2.88 | 2.84 | 0.04 |
| May | 3.67 | 3.75 | -0.08 |
| Jun | 4.55 | 4.60 | -0.05 |
| Jul | 3.92 | 4.13 | -0.21 |
| Aug | 3.55 | 3.77 | -0.22 |
| Sep | 3.65 | 3.71 | -0.06 |
| Oct | 3.32 | 3.33 | -0.01 |
| Nov | 1.92 | 1.86 | 0.06 |
| Dec | 1.37 | 1.41 | -0.04 |
32.58 | 33.10 | -0.52 |