| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.96 | -0.18 |
| Feb | 2.27 | 2.36 | -0.09 |
| Mar | 3.28 | 3.35 | -0.07 |
| Apr | 3.89 | 3.90 | -0.01 |
| May | 4.27 | 4.13 | 0.14 |
| Jun | 4.51 | 4.56 | -0.05 |
| Jul | 4.36 | 4.16 | 0.20 |
| Aug | 3.54 | 3.44 | 0.10 |
| Sep | 3.26 | 3.19 | 0.07 |
| Oct | 2.82 | 2.89 | -0.07 |
| Nov | 2.81 | 2.85 | -0.04 |
| Dec | 2.91 | 3.05 | -0.14 |
40.70 | 40.84 | -0.14 |