| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.38 | -0.07 |
| Feb | 2.53 | 2.92 | -0.39 |
| Mar | 3.30 | 3.53 | -0.23 |
| Apr | 3.49 | 3.53 | -0.04 |
| May | 3.82 | 3.68 | 0.14 |
| Jun | 4.57 | 4.85 | -0.28 |
| Jul | 4.32 | 4.45 | -0.13 |
| Aug | 4.21 | 4.23 | -0.02 |
| Sep | 4.59 | 4.37 | 0.22 |
| Oct | 4.22 | 4.65 | -0.43 |
| Nov | 3.44 | 3.56 | -0.12 |
| Dec | 3.56 | 4.20 | -0.64 |
45.36 | 47.35 | -1.99 |