| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.46 | -0.24 |
| Feb | 2.94 | 3.08 | -0.14 |
| Mar | 3.77 | 3.87 | -0.10 |
| Apr | 4.07 | 4.10 | -0.03 |
| May | 3.69 | 3.77 | -0.08 |
| Jun | 4.48 | 4.54 | -0.06 |
| Jul | 4.14 | 4.12 | 0.02 |
| Aug | 4.12 | 4.17 | -0.05 |
| Sep | 4.59 | 4.54 | 0.05 |
| Oct | 4.83 | 4.97 | -0.14 |
| Nov | 3.60 | 3.68 | -0.08 |
| Dec | 4.18 | 4.46 | -0.28 |
47.63 | 48.76 | -1.13 |