| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 3.96 | 0.24 |
| Feb | 4.11 | 4.13 | -0.02 |
| Mar | 4.51 | 4.40 | 0.11 |
| Apr | 3.45 | 3.59 | -0.14 |
| May | 2.94 | 2.99 | -0.05 |
| Jun | 4.15 | 4.29 | -0.14 |
| Jul | 4.17 | 4.39 | -0.22 |
| Aug | 4.68 | 4.89 | -0.21 |
| Sep | 3.82 | 4.01 | -0.19 |
| Oct | 2.74 | 2.68 | 0.06 |
| Nov | 3.06 | 3.31 | -0.25 |
| Dec | 4.34 | 4.30 | 0.04 |
46.17 | 46.94 | -0.77 |