| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.81 | -0.09 |
| Feb | 0.80 | 0.87 | -0.07 |
| Mar | 1.47 | 1.58 | -0.11 |
| Apr | 2.77 | 3.00 | -0.23 |
| May | 4.18 | 4.31 | -0.13 |
| Jun | 4.56 | 4.47 | 0.09 |
| Jul | 4.33 | 4.35 | -0.02 |
| Aug | 4.07 | 4.16 | -0.09 |
| Sep | 3.21 | 3.21 | 0.00 |
| Oct | 2.82 | 2.77 | 0.05 |
| Nov | 1.58 | 1.68 | -0.10 |
| Dec | 1.05 | 1.19 | -0.14 |
31.56 | 32.40 | -0.84 |