| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.90 | -0.13 |
| Feb | 2.31 | 2.47 | -0.16 |
| Mar | 2.80 | 3.16 | -0.36 |
| Apr | 3.27 | 3.40 | -0.13 |
| May | 3.66 | 3.82 | -0.16 |
| Jun | 4.43 | 4.70 | -0.27 |
| Jul | 4.39 | 4.67 | -0.28 |
| Aug | 4.26 | 4.47 | -0.21 |
| Sep | 4.11 | 3.99 | 0.12 |
| Oct | 4.15 | 4.30 | -0.15 |
| Nov | 3.10 | 3.25 | -0.15 |
| Dec | 3.33 | 3.70 | -0.37 |
42.58 | 44.83 | -2.25 |