| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.86 | -0.18 |
| Feb | 1.61 | 1.82 | -0.21 |
| Mar | 2.17 | 2.36 | -0.19 |
| Apr | 3.70 | 3.91 | -0.21 |
| May | 3.82 | 3.75 | 0.07 |
| Jun | 4.08 | 3.97 | 0.11 |
| Jul | 3.23 | 2.89 | 0.34 |
| Aug | 3.54 | 3.44 | 0.10 |
| Sep | 3.24 | 3.13 | 0.11 |
| Oct | 3.04 | 3.10 | -0.06 |
| Nov | 2.28 | 2.44 | -0.16 |
| Dec | 1.90 | 2.05 | -0.15 |
34.29 | 34.72 | -0.43 |