| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.83 | -0.04 |
| Feb | 0.82 | 0.84 | -0.02 |
| Mar | 1.59 | 1.51 | 0.08 |
| Apr | 2.86 | 2.85 | 0.01 |
| May | 4.15 | 4.18 | -0.03 |
| Jun | 4.43 | 4.49 | -0.06 |
| Jul | 4.37 | 4.44 | -0.07 |
| Aug | 4.13 | 3.98 | 0.15 |
| Sep | 3.27 | 3.16 | 0.11 |
| Oct | 2.84 | 2.86 | -0.02 |
| Nov | 1.70 | 1.65 | 0.05 |
| Dec | 1.12 | 1.20 | -0.08 |
32.07 | 31.99 | 0.08 |