| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.99 | -0.17 |
| Feb | 2.38 | 2.49 | -0.11 |
| Mar | 3.18 | 3.40 | -0.22 |
| Apr | 4.26 | 4.41 | -0.15 |
| May | 4.59 | 4.77 | -0.18 |
| Jun | 5.13 | 5.11 | 0.02 |
| Jul | 4.16 | 4.34 | -0.18 |
| Aug | 3.39 | 3.21 | 0.18 |
| Sep | 3.30 | 3.40 | -0.10 |
| Oct | 3.25 | 3.25 | 0.00 |
| Nov | 3.42 | 3.44 | -0.02 |
| Dec | 2.87 | 2.98 | -0.11 |
42.75 | 43.79 | -1.04 |