| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.38 | 1.26 | 0.12 |
| Feb | 1.43 | 1.37 | 0.06 |
| Mar | 2.25 | 2.43 | -0.18 |
| Apr | 2.76 | 2.91 | -0.15 |
| May | 3.07 | 3.52 | -0.45 |
| Jun | 2.64 | 3.05 | -0.41 |
| Jul | 1.02 | 1.13 | -0.11 |
| Aug | 0.81 | 0.98 | -0.17 |
| Sep | 1.17 | 1.25 | -0.08 |
| Oct | 1.82 | 1.90 | -0.08 |
| Nov | 1.92 | 1.97 | -0.05 |
| Dec | 1.58 | 1.51 | 0.07 |
21.85 | 23.28 | -1.43 |