| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.04 | -0.10 |
| Feb | 2.62 | 2.77 | -0.15 |
| Mar | 3.91 | 3.94 | -0.03 |
| Apr | 3.36 | 3.40 | -0.04 |
| May | 3.99 | 4.24 | -0.25 |
| Jun | 4.28 | 4.51 | -0.23 |
| Jul | 4.46 | 4.57 | -0.11 |
| Aug | 4.21 | 4.09 | 0.12 |
| Sep | 4.40 | 4.51 | -0.11 |
| Oct | 3.91 | 4.05 | -0.14 |
| Nov | 3.11 | 3.21 | -0.10 |
| Dec | 3.70 | 3.76 | -0.06 |
44.89 | 46.09 | -1.20 |