| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.39 | -0.01 |
| Feb | 4.21 | 4.30 | -0.09 |
| Mar | 4.59 | 4.49 | 0.10 |
| Apr | 3.55 | 3.78 | -0.23 |
| May | 2.82 | 2.82 | 0.00 |
| Jun | 4.29 | 4.36 | -0.07 |
| Jul | 5.12 | 4.86 | 0.26 |
| Aug | 4.27 | 4.47 | -0.20 |
| Sep | 3.66 | 3.81 | -0.15 |
| Oct | 2.73 | 2.81 | -0.08 |
| Nov | 3.22 | 3.33 | -0.11 |
| Dec | 4.75 | 4.58 | 0.17 |
47.59 | 48.00 | -0.41 |