| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.55 | -0.20 |
| Feb | 3.42 | 3.45 | -0.03 |
| Mar | 4.51 | 4.46 | 0.05 |
| Apr | 4.88 | 4.90 | -0.02 |
| May | 5.15 | 5.09 | 0.06 |
| Jun | 4.64 | 4.56 | 0.08 |
| Jul | 4.25 | 4.17 | 0.08 |
| Aug | 3.71 | 3.36 | 0.35 |
| Sep | 3.63 | 3.77 | -0.14 |
| Oct | 3.77 | 3.59 | 0.18 |
| Nov | 3.55 | 3.68 | -0.13 |
| Dec | 4.11 | 4.36 | -0.25 |
48.97 | 48.94 | 0.03 |