| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.72 | 0.05 |
| Feb | 0.82 | 0.83 | -0.01 |
| Mar | 1.43 | 1.47 | -0.04 |
| Apr | 2.69 | 2.77 | -0.08 |
| May | 3.80 | 3.82 | -0.02 |
| Jun | 4.29 | 4.35 | -0.06 |
| Jul | 4.37 | 4.35 | 0.02 |
| Aug | 3.95 | 4.22 | -0.27 |
| Sep | 3.34 | 3.49 | -0.15 |
| Oct | 3.01 | 3.02 | -0.01 |
| Nov | 1.64 | 1.54 | 0.10 |
| Dec | 1.13 | 1.12 | 0.01 |
31.24 | 31.70 | -0.46 |