| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.82 | -0.04 |
| Feb | 0.82 | 0.82 | 0.00 |
| Mar | 1.61 | 1.48 | 0.13 |
| Apr | 2.87 | 2.82 | 0.05 |
| May | 4.16 | 4.15 | 0.01 |
| Jun | 4.55 | 4.59 | -0.04 |
| Jul | 4.32 | 4.39 | -0.07 |
| Aug | 4.27 | 4.02 | 0.25 |
| Sep | 3.32 | 3.10 | 0.22 |
| Oct | 2.84 | 2.80 | 0.04 |
| Nov | 1.72 | 1.59 | 0.13 |
| Dec | 1.14 | 1.15 | -0.01 |
32.40 | 31.73 | 0.67 |