| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.87 | -0.16 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.52 | 1.59 | -0.07 |
| Apr | 2.89 | 2.99 | -0.10 |
| May | 4.13 | 4.35 | -0.22 |
| Jun | 4.54 | 4.65 | -0.11 |
| Jul | 4.11 | 4.16 | -0.05 |
| Aug | 4.23 | 4.22 | 0.01 |
| Sep | 3.31 | 3.30 | 0.01 |
| Oct | 2.71 | 2.68 | 0.03 |
| Nov | 1.51 | 1.57 | -0.06 |
| Dec | 1.01 | 1.23 | -0.22 |
31.44 | 32.50 | -1.06 |