| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.85 | 0.01 |
| Feb | 0.90 | 0.91 | -0.01 |
| Mar | 1.45 | 1.51 | -0.06 |
| Apr | 2.66 | 2.77 | -0.11 |
| May | 3.65 | 3.78 | -0.13 |
| Jun | 4.10 | 4.22 | -0.12 |
| Jul | 3.97 | 4.32 | -0.35 |
| Aug | 3.84 | 3.96 | -0.12 |
| Sep | 3.64 | 3.61 | 0.03 |
| Oct | 3.09 | 3.15 | -0.06 |
| Nov | 1.65 | 1.68 | -0.03 |
| Dec | 1.26 | 1.27 | -0.01 |
31.07 | 32.03 | -0.96 |