| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.52 | -0.07 |
| Feb | 2.63 | 2.76 | -0.13 |
| Mar | 3.73 | 3.87 | -0.14 |
| Apr | 3.77 | 3.89 | -0.12 |
| May | 3.97 | 4.15 | -0.18 |
| Jun | 4.59 | 4.76 | -0.17 |
| Jul | 4.72 | 4.69 | 0.03 |
| Aug | 4.73 | 4.80 | -0.07 |
| Sep | 4.36 | 4.76 | -0.40 |
| Oct | 4.42 | 4.77 | -0.35 |
| Nov | 3.35 | 3.43 | -0.08 |
| Dec | 4.11 | 4.36 | -0.25 |
47.83 | 49.76 | -1.93 |