| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.82 | -0.24 |
| Feb | 3.02 | 3.16 | -0.14 |
| Mar | 3.71 | 4.10 | -0.39 |
| Apr | 3.36 | 3.51 | -0.15 |
| May | 3.51 | 3.25 | 0.26 |
| Jun | 4.07 | 4.27 | -0.20 |
| Jul | 3.93 | 3.99 | -0.06 |
| Aug | 4.16 | 4.40 | -0.24 |
| Sep | 3.85 | 4.22 | -0.37 |
| Oct | 3.30 | 3.56 | -0.26 |
| Nov | 3.15 | 3.28 | -0.13 |
| Dec | 3.33 | 3.72 | -0.39 |
42.97 | 45.28 | -2.31 |