| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.14 | -0.12 |
| Feb | 3.05 | 2.96 | 0.09 |
| Mar | 4.02 | 3.99 | 0.03 |
| Apr | 3.45 | 3.46 | -0.01 |
| May | 4.51 | 4.46 | 0.05 |
| Jun | 4.10 | 4.18 | -0.08 |
| Jul | 4.62 | 4.75 | -0.13 |
| Aug | 3.48 | 3.53 | -0.05 |
| Sep | 3.43 | 3.41 | 0.02 |
| Oct | 2.84 | 2.90 | -0.06 |
| Nov | 2.80 | 2.84 | -0.04 |
| Dec | 3.56 | 3.55 | 0.01 |
42.88 | 43.17 | -0.29 |