| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.65 | 0.06 |
| Feb | 2.30 | 2.28 | 0.02 |
| Mar | 3.37 | 3.24 | 0.13 |
| Apr | 3.48 | 3.82 | -0.34 |
| May | 4.09 | 4.23 | -0.14 |
| Jun | 3.93 | 3.84 | 0.09 |
| Jul | 3.72 | 3.60 | 0.12 |
| Aug | 3.36 | 3.27 | 0.09 |
| Sep | 3.73 | 3.85 | -0.12 |
| Oct | 3.09 | 3.18 | -0.09 |
| Nov | 2.78 | 2.92 | -0.14 |
| Dec | 3.06 | 3.18 | -0.12 |
39.62 | 40.06 | -0.44 |