| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.55 | -0.04 |
| Feb | 1.78 | 1.77 | 0.01 |
| Mar | 2.85 | 2.94 | -0.09 |
| Apr | 4.40 | 4.72 | -0.32 |
| May | 6.04 | 6.02 | 0.02 |
| Jun | 5.44 | 5.51 | -0.07 |
| Jul | 4.23 | 4.59 | -0.36 |
| Aug | 3.71 | 3.86 | -0.15 |
| Sep | 4.35 | 4.44 | -0.09 |
| Oct | 3.36 | 3.46 | -0.10 |
| Nov | 2.82 | 2.69 | 0.13 |
| Dec | 2.05 | 2.09 | -0.04 |
42.54 | 43.64 | -1.10 |