| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.04 | -0.05 |
| Feb | 0.99 | 1.02 | -0.03 |
| Mar | 1.46 | 1.56 | -0.10 |
| Apr | 2.64 | 2.80 | -0.16 |
| May | 3.42 | 3.48 | -0.06 |
| Jun | 4.11 | 4.35 | -0.24 |
| Jul | 4.16 | 4.23 | -0.07 |
| Aug | 3.85 | 3.89 | -0.04 |
| Sep | 3.28 | 3.41 | -0.13 |
| Oct | 3.11 | 3.10 | 0.01 |
| Nov | 1.82 | 1.95 | -0.13 |
| Dec | 1.40 | 1.51 | -0.11 |
31.23 | 32.34 | -1.11 |