| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.30 | -0.09 |
| Feb | 2.82 | 2.90 | -0.08 |
| Mar | 4.12 | 4.14 | -0.02 |
| Apr | 3.42 | 3.50 | -0.08 |
| May | 3.74 | 3.99 | -0.25 |
| Jun | 4.10 | 4.15 | -0.05 |
| Jul | 4.21 | 4.38 | -0.17 |
| Aug | 4.50 | 4.78 | -0.28 |
| Sep | 4.17 | 4.15 | 0.02 |
| Oct | 3.77 | 4.15 | -0.38 |
| Nov | 3.19 | 3.19 | 0.00 |
| Dec | 3.74 | 3.84 | -0.10 |
44.99 | 46.47 | -1.48 |