| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.68 | -0.03 |
| Feb | 0.72 | 0.79 | -0.07 |
| Mar | 0.94 | 0.96 | -0.02 |
| Apr | 1.86 | 1.88 | -0.02 |
| May | 2.88 | 2.79 | 0.09 |
| Jun | 2.84 | 2.99 | -0.15 |
| Jul | 1.99 | 2.10 | -0.11 |
| Aug | 1.61 | 1.86 | -0.25 |
| Sep | 1.16 | 1.19 | -0.03 |
| Oct | 1.51 | 1.55 | -0.04 |
| Nov | 0.75 | 0.74 | 0.01 |
| Dec | 0.60 | 0.69 | -0.09 |
17.51 | 18.22 | -0.71 |