| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 4.44 | -0.76 |
| Feb | 3.40 | 3.94 | -0.54 |
| Mar | 4.61 | 4.77 | -0.16 |
| Apr | 4.24 | 3.94 | 0.30 |
| May | 3.64 | 3.58 | 0.06 |
| Jun | 3.98 | 4.06 | -0.08 |
| Jul | 3.37 | 3.49 | -0.12 |
| Aug | 3.39 | 2.77 | 0.62 |
| Sep | 3.83 | 3.48 | 0.35 |
| Oct | 4.84 | 4.51 | 0.33 |
| Nov | 4.00 | 3.77 | 0.23 |
| Dec | 4.70 | 5.09 | -0.39 |
47.68 | 47.84 | -0.16 |