| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.38 | -0.17 |
| Feb | 1.95 | 2.09 | -0.14 |
| Mar | 2.33 | 2.37 | -0.04 |
| Apr | 3.55 | 3.62 | -0.07 |
| May | 4.43 | 4.13 | 0.30 |
| Jun | 4.36 | 4.38 | -0.02 |
| Jul | 4.06 | 4.19 | -0.13 |
| Aug | 4.31 | 4.24 | 0.07 |
| Sep | 3.35 | 3.37 | -0.02 |
| Oct | 3.55 | 3.70 | -0.15 |
| Nov | 2.66 | 2.79 | -0.13 |
| Dec | 2.19 | 2.27 | -0.08 |
38.95 | 39.53 | -0.58 |