| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.78 | -0.06 |
| Feb | 0.81 | 0.84 | -0.03 |
| Mar | 1.55 | 1.53 | 0.02 |
| Apr | 2.78 | 2.91 | -0.13 |
| May | 4.19 | 4.25 | -0.06 |
| Jun | 4.40 | 4.36 | 0.04 |
| Jul | 4.43 | 4.35 | 0.08 |
| Aug | 4.10 | 4.08 | 0.02 |
| Sep | 3.36 | 3.32 | 0.04 |
| Oct | 2.77 | 2.89 | -0.12 |
| Nov | 1.60 | 1.64 | -0.04 |
| Dec | 1.10 | 1.16 | -0.06 |
31.81 | 32.11 | -0.30 |