| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.60 | -0.12 |
| Feb | 2.83 | 2.87 | -0.04 |
| Mar | 4.28 | 4.41 | -0.13 |
| Apr | 3.62 | 3.55 | 0.07 |
| May | 3.55 | 3.65 | -0.10 |
| Jun | 4.12 | 4.22 | -0.10 |
| Jul | 4.77 | 4.72 | 0.05 |
| Aug | 4.55 | 4.82 | -0.27 |
| Sep | 4.04 | 4.09 | -0.05 |
| Oct | 4.01 | 4.00 | 0.01 |
| Nov | 3.22 | 3.22 | 0.00 |
| Dec | 4.23 | 4.35 | -0.12 |
46.70 | 47.50 | -0.80 |